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CVE-2021-33620

CVSS v3.1 6.5 (Medium)
65% Progress
CVSS v2.0 4 (Medium)
40% Progress
EPSS 14.07 % (96th)
14.07% Progress
Affected Products 3
Advisories 14
Info CVSS EPSS CAPEC Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a denial of service (affecting availability to all clients) via an HTTP response. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent by the server.

Weaknesses
CWE-20
Improper Input Validation
CVE Status
PUBLISHED
CNA
MITRE
Published Date
2021-05-28 12:15:07
(3 years ago)
Updated Date
2023-11-07 03:35:53
(10 months ago)

Affected Products

Debian

Fedoraproject

Squid-cache

Configuration #1

    CPE23 From Up To
  Squid-cache Squid prior 4.15 version cpe:2.3:a:squid-cache:squid < 4.15
  Squid-cache Squid from 5.0 version and prior 5.0.6 version cpe:2.3:a:squid-cache:squid >= 5.0 < 5.0.6

Configuration #2

    CPE23 From Up To
  Fedoraproject Fedora 33 cpe:2.3:o:fedoraproject:fedora:33
  Fedoraproject Fedora 34 cpe:2.3:o:fedoraproject:fedora:34

Configuration #3

    CPE23 From Up To
  Debian Linux 9.0 cpe:2.3:o:debian:debian_linux:9.0