VulnerabilityModified
CVE-2020-25097
Due to improper input validation, it allows a trusted client to perform HTTP Request Smuggling and access services otherwise forbidden by the security controls.
HIGH 8.6EPSS 8.16%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Squid through 4.13 and 5.x through 5.0.4. Due to improper input validation, it allows a trusted client to perform HTTP Request Smuggling and access services otherwise forbidden by the security controls. This occurs for certain uri_whitespace configuration settings.
- CVSS 3.1
- 8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- EPSS
- 8.16% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-444
- Affected
- squid-cache/squid · debian/debian linux · fedoraproject/fedora · netapp/cloud manager
- Source
- cve@mitre.org
References
- http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_11.patchMailing List, Patch, Vendor Advisory
- http://www.squid-cache.org/Versions/v5/changesets/SQUID-2020_11.patchMailing List, Patch, Vendor Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-jvf6-h9gj-pmj6Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJMDRVV677AJL4BZAOLCT5LMFCGBZTC2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FBXFWKIGXPERDVQXG556LLPUOCMQGERC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3RYBDMJCPYGOSURWDR3WJTE474UFT77/
- https://security.gentoo.org/glsa/202105-14Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210727-0010/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4873Third Party Advisory
- http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_11.patchMailing List, Patch, Vendor Advisory
- http://www.squid-cache.org/Versions/v5/changesets/SQUID-2020_11.patchMailing List, Patch, Vendor Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-jvf6-h9gj-pmj6Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJMDRVV677AJL4BZAOLCT5LMFCGBZTC2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FBXFWKIGXPERDVQXG556LLPUOCMQGERC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3RYBDMJCPYGOSURWDR3WJTE474UFT77/
- https://security.gentoo.org/glsa/202105-14Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210727-0010/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4873Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.