What’s Vulnerable › Vulnerabilities

CVE-2012-5822

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2012-11-04 · updated 2026-06-16
• Weakness: CWE-295

Description

The contribution feature in Zamboni does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to use of the Python urllib2 library.

Affected products

• Mozilla Zamboni: all versions

References

• http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf
• https://exchange.xforce.ibmcloud.com/vulnerabilities/79929
• http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf
• https://exchange.xforce.ibmcloud.com/vulnerabilities/79929

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