Vulnerability in Squid-Cache Squid

CVE-2015-5400

Squid before 3.5.6 does not properly handle CONNECT method peer responses when configured with cache_peer, which allows remote attackers to bypass intended restrictions and gain access to a backend proxy via a CONNECT request.

EPSS: 0.208 (97.3th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-5400?
CVE-2015-5400 is a vulnerability in Squid-Cache Squid, classified under CWE-264. Published 2015-09-28.
Is CVE-2015-5400 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.