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What is CVE-2017-4028?A medium-severity flaw in Windows, explained.

Medium severity7 affected products
The short answer

CVE-2017-4028 is a medium-severity flaw (CVSS 4.4) in Windows from Microsoft, published on 3 April 2018. 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 0.5%. If you run an affected version, plan in the vendor’s fix.

Check if it affects you →How to fix it

Published 3 April 2018. Record last updated 7 November 2023. We keep this page's data up to date.

What it does

What is CVE-2017-4028? 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 change data.

The official description

Maliciously misconfigured registry vulnerability in all Microsoft Windows products in McAfee consumer and corporate products allows an administrator to inject arbitrary code into a debugged McAfee process via manipulation of registry parameters.

What kind of flaw is it?

  • CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CVSS 3.0 scoreMedium · 4.4

How an attack on it works

Read straight from its severity rating, translated out of the shorthand.

  • Where an attacker can beAlready on the device
  • How hard it is to pull offEasy: no special conditions
  • Login needed firstAn administrator account
  • Does someone have to clickNo, nobody has to do anything
  • What an attacker getsCan change data

Severity vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Exploitation

Is CVE-2017-4028 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 0.5%. That can change at any time, which is why we keep watching.

Known to be exploitedNoNot on the list of exploited flaws today
Chance of use in the next 30 days0.5%Its EPSS score, from the latest forecast

Timeline

  1. Published
  2. Record last updated
How Precursor Intelligence ranks it
13out of 100Info

CVE-2017-4028 scores 13. Action: Track.

We keep the score of every published flaw up to date as the evidence changes. Four things go into the score, and evidence that criminals are actually using it counts most. In order:

  • Evidence it is being exploitedBiggest factor
  • How severe it isStrong factor
  • How widely exposed it isSmaller factor
  • Threat activity around itSmaller factor

85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score.

When CVE-2017-4028 matches software you track, it lands in your list with its score and the reasons behind it.

See your own ranked list →
Affected products

Who is affected by CVE-2017-4028? 7 products.

The published record lists 7 products from 2 vendors. If you run one of these, check your version, then go to the fix below.

Remediation

How do I fix CVE-2017-4028? Four steps.

  1. Check whether you run itCompare 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 fixInstall the latest update from the vendor. The references list where the vendor has published details.
  3. If you can’t patch todayFollow 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 itTrack 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

2 links
Precursor Intelligence

Does CVE-2017-4028 affect you? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.
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Common questions, answered plainly.

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CVE-2017-4028 is a medium-severity flaw in Windows from Microsoft, published on 3 April 2018. 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 change data.

It scores 4.4 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2017-4028 is 13 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.

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 0.5%. That can change at any time, which is why we keep watching.

For Windows from Microsoft: version not specified. The record lists 7 products in all, each with its versions, under "Who is affected" on this page.

Install the update the vendor names in its advisory. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet.

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