# What is CVE-2019-6192?

> CVE-2019-6192 is a medium-severity flaw (CVSS 4.4) in Power Management Driver from Lenovo, published on 10 December 2019. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 1.7%. If you run an affected version, plan in the vendor’s fix.

Canonical page: https://www.precursorintelligence.com/what-is/cve-2019-6192

## At a glance

- **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle.
- **Precursor Intelligence risk score:** 16 out of 100 (Info); action: Track. Kept up to date as the evidence changes.
- **Severity:** Medium (CVSS 4.4 out of 10)
- **Known to be exploited:** No, not on the list of flaws known to be exploited today
- **Chance of use in the next 30 days:** 1.7% (latest exploit-likelihood forecast)
- **Published:** 10 December 2019
- **Record last updated:** 18 December 2019
- **Main product:** Power Management Driver from Lenovo
- **Affected products:** 81

## What is CVE-2019-6192? In plain terms

An attacker has to be already on the device with an administrator account, and nobody has to click anything. If it works, the attacker can take it offline.

### The official description

A potential vulnerability has been reported in Lenovo Power Management Driver versions prior to 1.67.17.48 leading to a buffer overflow which could cause a denial of service.

### What kind of flaw is it?

- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

### How an attack on it works

- Where an attacker can be: Already on the device
- How hard it is to pull off: Easy: no special conditions
- Login needed first: An administrator account
- Does someone have to click: No, nobody has to do anything
- What an attacker gets: Can take it offline

Severity vector: `CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H`

## Is CVE-2019-6192 being exploited? Not that we know of

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 1.7%. That can change at any time, which is why we keep watching.

Exploit likelihood over the last 7 days: 1.7%, 1.7%, 1.7%, 1.7%, 1.7%, 1.7%, 1.7%.

### Timeline

- 10 December 2019: Published
- 18 December 2019: Record last updated

### How Precursor Intelligence ranks it

CVE-2019-6192 scores **16 out of 100 (Info)**, with the action "Track".

Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less:

- Evidence it is being exploited: biggest factor
- How severe it is: strong factor
- How widely exposed it is: smaller factor
- Threat activity around it: smaller factor

85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it.

## Who is affected by CVE-2019-6192?

The published record lists 81 products. Versions are as published: "before 1.67.17.48" means every version up to, but not including, 1.67.17.48.

- [Power Management Driver](https://www.precursorintelligence.com/product/lenovo/power_management_driver) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Application): before 1.67.17.48
- [Thinkpad 13 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_13_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad 25](https://www.precursorintelligence.com/product/lenovo/thinkpad_25) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad A275](https://www.precursorintelligence.com/product/lenovo/thinkpad_a275) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad A285](https://www.precursorintelligence.com/product/lenovo/thinkpad_a285) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad A475](https://www.precursorintelligence.com/product/lenovo/thinkpad_a475) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad A485](https://www.precursorintelligence.com/product/lenovo/thinkpad_a485) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E14](https://www.precursorintelligence.com/product/lenovo/thinkpad_e14) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E15](https://www.precursorintelligence.com/product/lenovo/thinkpad_e15) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E470](https://www.precursorintelligence.com/product/lenovo/thinkpad_e470) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E470c](https://www.precursorintelligence.com/product/lenovo/thinkpad_e470c) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E475](https://www.precursorintelligence.com/product/lenovo/thinkpad_e475) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E480](https://www.precursorintelligence.com/product/lenovo/thinkpad_e480) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E490](https://www.precursorintelligence.com/product/lenovo/thinkpad_e490) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E495](https://www.precursorintelligence.com/product/lenovo/thinkpad_e495) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E570](https://www.precursorintelligence.com/product/lenovo/thinkpad_e570) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E570c](https://www.precursorintelligence.com/product/lenovo/thinkpad_e570c) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E575](https://www.precursorintelligence.com/product/lenovo/thinkpad_e575) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E580](https://www.precursorintelligence.com/product/lenovo/thinkpad_e580) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E590](https://www.precursorintelligence.com/product/lenovo/thinkpad_e590) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad E595](https://www.precursorintelligence.com/product/lenovo/thinkpad_e595) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L13](https://www.precursorintelligence.com/product/lenovo/thinkpad_l13) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L13 Yoga](https://www.precursorintelligence.com/product/lenovo/thinkpad_l13_yoga) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L380](https://www.precursorintelligence.com/product/lenovo/thinkpad_l380) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L380 Yoga](https://www.precursorintelligence.com/product/lenovo/thinkpad_l380_yoga) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L390](https://www.precursorintelligence.com/product/lenovo/thinkpad_l390) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L390 Yoga](https://www.precursorintelligence.com/product/lenovo/thinkpad_l390_yoga) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L470](https://www.precursorintelligence.com/product/lenovo/thinkpad_l470) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L480](https://www.precursorintelligence.com/product/lenovo/thinkpad_l480) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L490](https://www.precursorintelligence.com/product/lenovo/thinkpad_l490) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L570](https://www.precursorintelligence.com/product/lenovo/thinkpad_l570) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L580](https://www.precursorintelligence.com/product/lenovo/thinkpad_l580) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L590](https://www.precursorintelligence.com/product/lenovo/thinkpad_l590) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P1 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_p1_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P43s](https://www.precursorintelligence.com/product/lenovo/thinkpad_p43s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P51](https://www.precursorintelligence.com/product/lenovo/thinkpad_p51) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P51s](https://www.precursorintelligence.com/product/lenovo/thinkpad_p51s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P52](https://www.precursorintelligence.com/product/lenovo/thinkpad_p52) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P52s](https://www.precursorintelligence.com/product/lenovo/thinkpad_p52s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P53](https://www.precursorintelligence.com/product/lenovo/thinkpad_p53) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P53s](https://www.precursorintelligence.com/product/lenovo/thinkpad_p53s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P7](https://www.precursorintelligence.com/product/lenovo/thinkpad_p7) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P72](https://www.precursorintelligence.com/product/lenovo/thinkpad_p72) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P73](https://www.precursorintelligence.com/product/lenovo/thinkpad_p73) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad R14](https://www.precursorintelligence.com/product/lenovo/thinkpad_r14) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad R480](https://www.precursorintelligence.com/product/lenovo/thinkpad_r480) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad S1 Gen 4](https://www.precursorintelligence.com/product/lenovo/thinkpad_s1_gen_4) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad S2 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_s2_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad S2 Gen 5](https://www.precursorintelligence.com/product/lenovo/thinkpad_s2_gen_5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad S2 Yoga Gen 5](https://www.precursorintelligence.com/product/lenovo/thinkpad_s2_yoga_gen_5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad S3 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_s3_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad S5 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_s5_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T470](https://www.precursorintelligence.com/product/lenovo/thinkpad_t470) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T470p](https://www.precursorintelligence.com/product/lenovo/thinkpad_t470p) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T470s](https://www.precursorintelligence.com/product/lenovo/thinkpad_t470s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T480](https://www.precursorintelligence.com/product/lenovo/thinkpad_t480) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T480s](https://www.precursorintelligence.com/product/lenovo/thinkpad_t480s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T490](https://www.precursorintelligence.com/product/lenovo/thinkpad_t490) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T490s](https://www.precursorintelligence.com/product/lenovo/thinkpad_t490s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T495](https://www.precursorintelligence.com/product/lenovo/thinkpad_t495) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T570](https://www.precursorintelligence.com/product/lenovo/thinkpad_t570) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T580](https://www.precursorintelligence.com/product/lenovo/thinkpad_t580) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T590](https://www.precursorintelligence.com/product/lenovo/thinkpad_t590) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Carbon Gen 5](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_gen_5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Carbon Gen 6](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_gen_6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Carbon Gen 7](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_gen_7) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Extreme](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_extreme) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Extreme 2nd](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_extreme_2nd) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Tablet Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_tablet_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Tablet Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_tablet_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Yoga Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Yoga Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Yoga Gen 4](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_gen_4) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X270](https://www.precursorintelligence.com/product/lenovo/thinkpad_x270) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X280](https://www.precursorintelligence.com/product/lenovo/thinkpad_x280) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X380 Yoga](https://www.precursorintelligence.com/product/lenovo/thinkpad_x380_yoga) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X390](https://www.precursorintelligence.com/product/lenovo/thinkpad_x390) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X390 Yoga](https://www.precursorintelligence.com/product/lenovo/thinkpad_x390_yoga) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X395](https://www.precursorintelligence.com/product/lenovo/thinkpad_x395) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad Yoga 370](https://www.precursorintelligence.com/product/lenovo/thinkpad_yoga_370) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified

## How do I fix CVE-2019-6192?

1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list.
2. **Apply the vendor’s fix.** Install the update named in the vendor’s advisory. We’ve put the advisory first in the list.
3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in.
4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood.

### References

- [support.lenovo.com](https://support.lenovo.com/solutions/LEN-29334) (Mitigation, Vendor advisory)
- [packetstormsecurity.com](http://packetstormsecurity.com/files/155656/Lenovo-Power-Management-Driver-Buffer-Overflow.html) (Exploit, Third-party advisory)

## Questions

### What is CVE-2019-6192?

CVE-2019-6192 is a medium-severity flaw in Power Management Driver from Lenovo, published on 10 December 2019. An attacker has to be already on the device with an administrator account, and nobody has to click anything. If it works, the attacker can take it offline.

### How serious is CVE-2019-6192?

It scores 4.4 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2019-6192 is 16 out of 100, which is Info. Its action is "Track". No sign of exploitation and a low forecast. Patch it in your normal update cycle.

### Is CVE-2019-6192 being exploited?

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 1.7%. That can change at any time, which is why we keep watching.

### Which versions does CVE-2019-6192 affect?

For Power Management Driver from Lenovo: before 1.67.17.48. The record lists 81 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2019-6192?

Install the update the vendor names in its advisory, linked first under "How do I fix" on this page. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet.

## Does CVE-2019-6192 affect you?

Precursor Intelligence keeps checking for you:

- **Tell us what you run.** Pick your software from a list, or let us work it out from your website.
- **We match it to every flaw.** Over 400,000 published flaws, checked against your list.
- **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it.
- **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools.

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