Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when the httpd_accel_host and http_accel_with_proxy off settings are used, which allows attackers to bypass the ACLs and conduct unauthorized activities such as port scanning.
Product
squid web proxy vulnerabilities
2 published CVES affecting squid web proxy, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 2
- Critical
- 0
- High
- 1
- Medium
- 1
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest squid web proxy CVEs
Newest publication first
-
HighCVSS 7.5 EPSS 2.0%
-
MediumCVSS 5.0 EPSS 2.8%
Squid proxy server 2.4 and earlier allows remote attackers to cause a denial of service (crash) via a mkdir-only FTP PUT request.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.