What’s Vulnerable › Vulnerabilities

CVE-1999-1481

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 1999-12-31 · updated 2026-06-16

Description

Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.

Affected products

• National Science Foundation Squid Web Proxy: 1.0, 1.0novm, 1.1, 2.1, 2.2

References

• http://www.securityfocus.com/archive/1/33295
• http://www.securityfocus.com/bid/741
• http://www.squid-cache.org/Versions/v2/2.2/bugs/
• https://exchange.xforce.ibmcloud.com/vulnerabilities/3433
• http://www.securityfocus.com/archive/1/33295
• http://www.securityfocus.com/bid/741
• http://www.squid-cache.org/Versions/v2/2.2/bugs/
• https://exchange.xforce.ibmcloud.com/vulnerabilities/3433

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