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CVE-2017-11368
In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or…
Medium6.5EPSS 2.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.
Timeline
ID reserved
By mitre
- 23 days later
· 23 days later
Published
- 7 years later
· 7 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 | 3.0 | Medium6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
n/a
- affected n/a
References (5)
- https://github.com/krb5/krb5/commit/ffb35baac6981f9e8914f8f3bffd37f284b85970 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2017-e5b36383f4 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- RHSA-2018:0666 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 100291 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FEDORA-2017-8e9d9771c4 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_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://cveledger.app/cve/CVE-2017-11368)Record last updated .