Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by…
Priority LOW 35Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.
Why it matters now
EPSS 0.01295 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:national_science_foundation:squid_web_proxy:1.1.20:*:*:*:*:*:*:* | 1.1.20 | Vulnerable | National Science Foundation |
- cpe:2.3:a:national_science_foundation:squid_web_proxy:1.1.20:*:*:*:*:*:*:* Versions 1.1.20 Vulnerable ·National Science Foundation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-1999-1273
- 2026-10-03 Alias added: GHSA-3q7h-hq7j-vcqg
References
—
More National Science Foundation Squid Web Proxy vulnerabilities
- TI-1999-01428 Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to… CVSS 2.0MEDIUM 5.0
- TI-2001-00142 squid 2.3 and earlier allows local users to overwrite arbitrary files via a symlink attack in some configurations. CVSS 2.0LOW 1.2
Sources
- CVE-1999-1273 · CVE Program
- CVE-1999-1273 · NVD
- FIRST EPSS
- GHSA-3q7h-hq7j-vcqg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences