CVE-2012-5803: The Authorize.Net module in Ubercart does not verify that the server hostname matches a domain name in the sub

Routine

MEDIUM 5.8MITIGATEMITIGATE

CVE-2012-5803 is a medium-severity flaw (CVSS 5.8) affecting authorize.net module, ubercart. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Authorize.Net module in Ubercart 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.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.8 (Medium)
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-20
Published	2012-11-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: irata · ubercart

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-11-04 22:55 UTCPublished CVE record published
2026-06-16 23:47 UTCUpdated Record last modified

irata authorize.net module MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy authorize.net-module || rpm -q authorize.net-module || authorize.net-module --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

ubercart ubercart MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ubercart || rpm -q ubercart || ubercart --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2012-5803?

authorize.net module: mitigate or apply the listed mitigation; ubercart: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-5803 being exploited?

CVE-2012-5803 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2012-5803 affect?

CVE-2012-5803 affects authorize.net module, ubercart. Severity is medium (CVSS 5.8). The Authorize.Net module in Ubercart 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 se

How urgent is CVE-2012-5803?

Priority 37/100. Public exploit reference

References

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