CVE-2012-2055

Name: CVE-2012-2055
Creator: NVD / NIST
Published: 2012-04-05T14:55:06.107+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.84%

Last modified Jun 16, 2026

CVE-2012-2055 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.84% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.84%

76.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-913

Affected Software

Vendor	Product	Versions
Github	Github	< 20120304

References

http://homakov.blogspot.com/2012/03/how-to.htmlIssue Tracking
http://lwn.net/Articles/488702/Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/74812Third Party Advisory, VDB Entry
https://github.com/blog/1068-public-key-security-vulnerability-and-mitigationVendor Advisory
http://homakov.blogspot.com/2012/03/how-to.htmlIssue Tracking
http://lwn.net/Articles/488702/Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/74812Third Party Advisory, VDB Entry
https://github.com/blog/1068-public-key-security-vulnerability-and-mitigationVendor Advisory

Timeline

Published: Apr 5, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-2055?

How severe is CVE-2012-2055?

CVE-2012-2055 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.84% probability of exploitation in the next 30 days.

How do I fix CVE-2012-2055?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-2055?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST