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CVE-2014-9749
Squid 3.4.4 through 3.4.11 and 3.5.0.1 through 3.5.1, when Digest authentication is used, allow remote authenticated users to retain…
- 4.0MediumCVSS base score
- 11.4%Exploitation in 30 daysEPSS · top 4.0% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Squid 3.4.4 through 3.4.11 and 3.5.0.1 through 3.5.1, when Digest authentication is used, allow remote authenticated users to retain access by leveraging a stale nonce, aka "Nonce replay vulnerability."
Timeline
ID reserved
By mitre
- 33 days later
· 33 days later
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 11.4% · top 4.0% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.0.
Affected products
n/a
- affected n/a
References
5
- [oss-security] 20151001 CVE Request: squid: Nonce replay vulnerability in Digest authentication (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://bugs.squid-cache.org/show_bug.cgi?id=4066 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20151011 Re: CVE Request: squid: Nonce replay vulnerability in Digest authentication (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- openSUSE-SU-2015:1835 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [oss-security] 20151012 Re: Re: CVE Request: squid: Nonce replay vulnerability in Digest authentication (opens in a new tab)mailing-listx_refsource_MLISTx_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)
- EUVD EUVD-2014-9555 (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://cveledger.app/cve/CVE-2014-9749)Record last updated .