CVE-2012-2055

Q: How do I fix CVE-2012-2055?

Upgrade github to 20120304 or later.

Q: Is CVE-2012-2055 being actively exploited?

Not that we know of. CVE-2012-2055 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.8% is the estimated probability that it will be exploited in the next 30 days. That is higher than 77% of all scored CVEs.

Q: How severe is CVE-2012-2055?

CVE-2012-2055 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2012-2055 affect?

Published advisories record a fix for github (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGHEPSS 77th 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

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

1.82%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Vendor Advisory1

github.com

Third-Party Advisory2

Issue Tracking1

homakov.blogspot.com

Related Vulnerabilities

Other CWE-913 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-68613	Critical	9.9	98%	KEV	Fix
CVE-2023-50386	High	8.8	84%	-	Fix
CVE-2023-43177	Critical	9.8	82%	-	Fix
CVE-2023-29017	Critical	10.0	63%	-	Fix
CVE-2022-36067	Critical	10.0	48%	-	Fix
CVE-2023-6184	Medium	5.0	47%	-	-

Common questions

How do I fix CVE-2012-2055?

Upgrade github to 20120304 or later.

Is CVE-2012-2055 being actively exploited?

Not that we know of. CVE-2012-2055 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.8% is the estimated probability that it will be exploited in the next 30 days. That is higher than 77% of all scored CVEs.

How severe is CVE-2012-2055?

CVE-2012-2055 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2012-2055 affect?

Published advisories record a fix for github (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.