What is CVE-2021-31831?A medium-severity flaw in Database Security, explained.
CVE-2021-31831 is a medium-severity flaw (CVSS 5.5) in Database Security from Mcafee, published on 3 June 2021. 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 0.6%. If you run an affected version, plan in the vendor’s fix.
Published 3 June 2021. Record last updated 15 November 2023. We keep this page's data up to date.
What is CVE-2021-31831? In plain terms.
An attacker has to be on the same local network with an ordinary user account, and nobody has to click anything. If it works, the attacker can read some data, change some data and slow it down.
Incorrect access to deleted scripts vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows a remote authenticated attacker to gain access to signed SQL scripts which have been marked as deleted or expired within the administrative console. This access was only available through the REST API.
What kind of flaw is it?
- CWE-552Files or Directories Accessible to External Parties
How an attack on it works
Read straight from its severity rating, translated out of the shorthand.
- Where an attacker can beOn the same local network
- How hard it is to pull offEasy: no special conditions
- Login needed firstAn ordinary user account
- Does someone have to clickNo, nobody has to do anything
- What an attacker getsCan read some data, change some data and slow it down
Severity vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Is CVE-2021-31831 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 0.6%. That can change at any time, which is why we keep watching.
Timeline
- Published
- Record last updated
CVE-2021-31831 scores 17. 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-2021-31831 matches software you track, it lands in your list with its score and the reasons behind it.
See your own ranked list →Who is affected by CVE-2021-31831? One product.
The published record lists 1 product from 1 vendor. Versions are shown as published: "before 4.8.2" means every version up to, but not including, 4.8.2. If you run one of these, check your version, then go to the fix below.
- Application
Database Security
by Mcafee
Affected versionsbefore 4.8.2
How do I fix CVE-2021-31831? Four steps.
- 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.
- Apply the vendor’s fixInstall the latest update from the vendor. The references list where the vendor has published details.
- 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.
- 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
1 linkDoes CVE-2021-31831 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.
- Tell us what you runPick your software from a list, or let us work it out from your website.
- We match it to every flawOver 400,000 published flaws, checked against your list.
- Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
- Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.
Free plan, no card needed. Nothing to install.
1 new flaw affects software Acme tracks
Incorrect access to deleted scripts vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows a remote authenticated attacker to gain access to...
- Matched to
- Database Security on Acme's software list
- What to do
- Plan in the vendor’s update
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
CVE-2021-31831 is a medium-severity flaw in Database Security from Mcafee, published on 3 June 2021. An attacker has to be on the same local network with an ordinary user account, and nobody has to click anything. If it works, the attacker can read some data, change some data and slow it down.
It scores 5.5 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2021-31831 is 17 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 0.6%. That can change at any time, which is why we keep watching.
For Database Security from Mcafee: before 4.8.2.
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.