Every CVE Search/ Get API key

CVE-1999-1273

Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding...

7.5 High

Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.

Exploit likelihood

1.29%Up 0.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.

Record
CVE-1999-1273
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.

Record
CVE-1999-1273
Updated
2026-11-02
EUVDEUVD-1999-1254 No score

Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.

Record
EUVD-1999-1254
Updated
2026-11-03
GitHub AdvisoriesGHSA-3q7h-hq7j-vcqg No score

Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding...

Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.

Record
GHSA-3q7h-hq7j-vcqg
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-1999-1273 is a high vulnerability (CVSS 7.5) in National Science Foundation Squid Web Proxy, published February 20, 1998. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.29%, the 70th percentile. No source names a fixed version.

References

MoveEnter Open