CVE-2011-0438
nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-0438- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-0438- Updated
- 2026-11-02
EUVDEUVD-2011-0463 No score
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.
- Record
EUVD-2011-0463- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x932-88vq-xg5c No score
nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found...
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.
- Record
GHSA-x932-88vq-xg5c- Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-0438 is a medium vulnerability (CVSS 6.8) in Arthurdejong Nss-pam-ldapd, published March 15, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.53%, the 74th percentile. No source names a fixed version.
References
securityreason.com/securityalert/8132
securityfocus.com/bid/46819
exchange.xforce.ibmcloud.com/vulnerabilities/66028
lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt
arthurdejong.org/nss-pam-ldapd/news.html
nvd.nist.gov/vuln/detail/CVE-2011-0438
github.com/advisories/GHSA-x932-88vq-xg5c