CVE-2011-0438 json
nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to…
published 2011-03-15 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-0463
- cvss
- 6.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication.
Patch / fix
Exploit prediction
1.53% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
securityfocus.com
/bid/46819
vdb-entry, patch
-
lists.arthurdejong.org
/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt
patch
-
lists.arthurdejong.org
/nss-pam-ldapd-announce/2011/msg00000.html
mailing-list, patch, vendor-advisory
-
securityreason.com
/securityalert/8132
third-party-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/66028
vdb-entry
- arthurdejong.org /nss-pam-ldapd/news.html#20110309
Sources
- CVE List CVE-2011-0438
- NVD CVE-2011-0438
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.