Is CVE-2012-2055 in the CISA KEV catalog?

No. CVE-2012-2055 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-2055?

CVE-2012-2055 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2012-2055?

CVE-2012-2055 has an EPSS score of 1.84% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-2055?

Upgrade github to 20120304 or later.

CVE & CISA-KEV Catalog

CVE-2012-2055

HIGHEPSS 76th pctl

7.5

CVSS v3

NVD

Description

GitHub Enterprise before 20120304 does not properly restrict the use of a hash to provide values for a model's attributes, which allows remote attackers to set the public_key[user_id] value via a modified URL for the public-key update form, related to a "mass assignment" vulnerability.

CWE-913

How to fix

Remediation Available

githubNVD

Affected:< 20120304Fixed in:20120304CVE-2012-2055derived from NVD

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.84%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Vendor Advisory1

github.com

Third-Party Advisory2

Issue Tracking1

homakov.blogspot.com

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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 2026-04-29.