CVE & CISA-KEV Catalog

CVE-2021-39899

LOW
2.9
CVSS v3
NVD

Description

In all versions of GitLab CE/EE, an attacker with physical access to a user’s machine may brute force the user’s password via the change password function. There is a rate limit in place, but the attack may still be conducted by stealing the session id from the physical compromise of the account and splitting the attack over several IP addresses and passing in the compromised session value from these various locations.

How to fix

Remediation Available
gitlabDebian
Fixed in:15.10.8+ds1-2CVE-2021-39899

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical
Attack ComplexityHigh
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityLow
AvailabilityNone

CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Exploit Intelligence

0.25%probability of exploitation in 30 days
16thpercentile

Low risk: more likely to be exploited than 16% of all known CVEs.

References

Vendor Advisory1
Other references1

Related Vulnerabilities

Other CWE-640 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2019-18818Critical9.898%--
CVE-2023-7028Critical10.095%KEVFix
CVE-2017-7615High8.891%--
CVE-2024-2862Critical9.151%--
CVE-2019-19844Critical9.835%-Fix
CVE-2025-6216Critical9.829%-Fix
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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.