CVE-1999-1481
Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass...
Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.
Exploit likelihood
What each source reports
NVD Score used
Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.
- Record
CVE-1999-1481- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.
- Record
CVE-1999-1481- Updated
- 2026-11-02
EUVDEUVD-1999-1462 No score
Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.
- Record
EUVD-1999-1462- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fx2h-93c2-339q No score
Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass...
Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.
- Record
GHSA-fx2h-93c2-339q- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | National Science Foundation Squid Web Proxy 1.0/1.1/2.1 - Authentication Failure | 1999-10-25 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-1481 is a medium vulnerability (CVSS 5.0) in National Science Foundation Squid Web Proxy, published December 31, 1999. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.57%, the 89th percentile. No source names a fixed version.