What’s Vulnerable › Vulnerabilities

CVE-2012-1326

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-15 · updated 2026-06-16
• Weakness: CWE-20

Description

Cisco IronPort Web Security Appliance up to and including 7.5 does not validate the basic constraints of the certificate authority which could lead to MITM attacks

Affected products

• Cisco IronPort Web Security Appliance: through 7.5

References

• http://www.securityfocus.com/bid/52981
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20120412-CVE-2012-1326
• http://www.securityfocus.com/bid/52981
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20120412-CVE-2012-1326

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