CVE-2009-1273
MEDIUM · CVSS 5.0EPSS 1.3%EU EUVD
pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N- Weakness (CWE)
- CWE-255
- EPSS score
- 1.3% (71th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-1272)
- Published
- April 8, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-1272 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- andrew j.korty / pam ssh
References
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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