Back
CVE-2015-3206
The checkPassword function in python-kerberos does not authenticate the KDC it attempts to communicate with, which allows remote attackers…
High8.1EPSS 2.4%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The checkPassword function in python-kerberos does not authenticate the KDC it attempts to communicate with, which allows remote attackers to cause a denial of service (bad response), or have other unspecified impact by performing a man-in-the-middle attack.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIkerberosGHSA-mffc-9gx5-99g3 (opens in a new tab)
- PyPIpykerberosGHSA-mffc-9gx5-99g3 (opens in a new tab)
References (5)
- [oss-security] 20150521 CVE-2015-3206 python-kerberos: checkPassword() does not verify KDC authenticity (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1223802 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://pypi.python.org/pypi/kerberos (opens in a new tab)x_refsource_CONFIRMx_transferred
- 74760 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://github.com/apple/ccs-pykerberos/issues/31 (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 Advisory GHSA-mffc-9gx5-99g3 (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-2015-3206)Record last updated .