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CVE-2020-8449
An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways…
High7.5EPSS 8.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 8.3% · top 5.0% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (15)
- http://www.squid-cache.org/Advisories/SQUID-2020_1.txt (opens in a new tab)x_refsource_MISCx_transferred
- http://www.squid-cache.org/Versions/v4/changesets/squid-4-d8e4715992d0e530871519549add5519cbac0598.patch (opens in a new tab)x_refsource_MISCx_transferred
- http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-8e657e835965c3a011375feaa0359921c5b3e2dd.patch (opens in a new tab)x_refsource_MISCx_transferred
- http://www.squid-cache.org/Versions/v4/changesets/squid-4-b3a0719affab099c684f1cd62b79ab02816fa962.patch (opens in a new tab)x_refsource_MISCx_transferred
- http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_1.patch (opens in a new tab)x_refsource_MISCx_transferred
- http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2020_1.patch (opens in a new tab)x_refsource_MISCx_transferred
- USN-4289-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2020:0307 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-202003-34 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- FEDORA-2020-ab8e7463ab (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-790296a8f4 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2020:0606 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-4682 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://security.netapp.com/advisory/ntap-20210304-0002/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-8449)Record last updated .