MEDIUM
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
Published Mar 15, 2011
6.8
MEDIUMCVSS 2.0
EPSS 1.53%
Description
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.
Affected products
No data.
- 0.8.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.53% 0.01527
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01527
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.53% (0.01527) | 73.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.53% (0.01527) | 71.34th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.44% (0.00442) | 61.17th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.56% (0.01563) | 87.74th | v3 (v2023.03.01) |
| May 9, 2024 | 1.56% (0.01563) | 87.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.56% (0.01563) | 85.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
Weaknesses (1)
References (6)
- http://arthurdejong.org/nss-pam-ldapd/news.html#20110309 x_refsource_CONFIRM
- http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt x_refsource_MISCPatch
- http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.html mailing-listx_refsource_MLISTPatchVendor Advisory
- http://securityreason.com/securityalert/8132 third-party-advisoryx_refsource_SREASON
- http://www.securityfocus.com/bid/46819 vdb-entryx_refsource_BIDPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66028 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://arthurdejong.org/nss-pam-ldapd/news.html#20110309 | x_refsource_CONFIRM | |
| http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt | x_refsource_MISCPatch | |
| http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.html | mailing-listx_refsource_MLISTPatchVendor Advisory | |
| http://securityreason.com/securityalert/8132 | third-party-advisoryx_refsource_SREASON | |
| http://www.securityfocus.com/bid/46819 | vdb-entryx_refsource_BIDPatch | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/66028 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 15, 2011
Updated Aug 6, 2024
Reserved Jan 12, 2011
Link CVE-2011-0438
CISA Vulnrichment
Updated n/a