CVE-1999-1273

highpriority · track · 30EPSS 0.013 · 70 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.29% (70th) EPSS

CVSS 7.5 · high

Is it mine?

2 products

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

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

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

The CWE weakness classes this flaw belongs to.

CWE-20USLLM-inferred

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
national science foundation squid web proxy= 1.1.20nvdUScpe:2.3:a:national_science_foundation:squid_web_proxy:*:*:*:*:*:*:*:*

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 1998-02-20modified 2026-06-16

External citations — patches, advisories, analysis.

scry

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