CVE-2021-31838: mcafee mvision_edr OS Command Injection
CVSS: 9.1v3.1CriticalModified
Published 29-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-31838 is a critical (CVSS 9.1) OS Command Injection vulnerability in mcafee mvision_edr. EPSS estimates a 2.09% chance of exploitation in the next 30 days, higher than 81.3% of scored vulnerabilities.
CVSS score
9.1/10
010
Critical · v3.1 (NVD)EPSS score
2.09%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 29-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A command injection vulnerability in MVISION EDR (MVEDR) prior to 3.4.0 allows an authenticated MVEDR administrator to trigger the EDR client to execute arbitrary commands through PowerShell using the EDR functionality 'execute reaction'.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HSources2 sources · 8.4–9.1
- CVE.orgCNA8.4HighCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HDiffers
High 9.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
2.09%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.09% on 19-09-2026
19-09-202619-10-2026
EPSS score2.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mcafee1 product
- mvision_edr< 3.4.0
Mcafee,llc1 product
- mvision edr≥ unspecified, < 3.4.0
2 vendors · 2 products
References
1 links- kc.mcafee.com/corporate/index?page=content&id=SB10342X Refsource CONFIRM