pam_unix.so in Linux-PAM 0.99.7.0 allows context-dependent attackers to log into accounts whose password hash, as stored in /etc/passwd or /etc/shadow, has only two characters
Published Jan 23, 2007
7.2
HIGHCVSS 2.0
EPSS 0.40%
Description
pam_unix.so in Linux-PAM 0.99.7.0 allows context-dependent attackers to log into accounts whose password hash, as stored in /etc/passwd or /etc/shadow, has only two characters.
Affected products
No data.
- 0.99.7.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. These issues did not affect the versions of pam as shipped with Red Hat Enterprise Linux 2.1, 3, or 4.
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.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.40% (0.00403) | 32.20th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00394) | 30.90th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00069) | 18.42th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00070) | 32.39th | v3 (v2023.03.01) |
| Jul 13, 2024 | 0.07% (0.00070) | 30.73th | v3 (v2023.03.01) |
| Sep 12, 2023 | 0.07% (0.00070) | 28.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
No CWE recorded.
References (12)
- http://osvdb.org/32017 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/23858 third-party-advisoryx_refsource_SECUNIA
- http://www.novell.com/linux/security/advisories/2007_3_sr.html vendor-advisoryx_refsource_SUSE
- http://www.redhat.com/archives/fedora-devel-list/2007-January/msg01271.html mailing-listx_refsource_MLISTVendor Advisory
- http://www.redhat.com/archives/fedora-devel-list/2007-January/msg01277.html mailing-listx_refsource_MLISTVendor Advisory
- http://www.securityfocus.com/bid/22204 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2007/0323 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2007-0003 Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/31739 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2007-0003
- https://www.cve.org/CVERecord?id=CVE-2007-0003
- https://www.redhat.com/archives/pam-list/2007-January/msg00017.html mailing-listx_refsource_MLISTVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/32017 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/23858 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.novell.com/linux/security/advisories/2007_3_sr.html | vendor-advisoryx_refsource_SUSE | |
| http://www.redhat.com/archives/fedora-devel-list/2007-January/msg01271.html | mailing-listx_refsource_MLISTVendor Advisory | |
| http://www.redhat.com/archives/fedora-devel-list/2007-January/msg01277.html | mailing-listx_refsource_MLISTVendor Advisory | |
| http://www.securityfocus.com/bid/22204 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2007/0323 | vdb-entryx_refsource_VUPEN | |
| https://access.redhat.com/security/cve/CVE-2007-0003 | Vendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/31739 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2007-0003 | ||
| https://www.cve.org/CVERecord?id=CVE-2007-0003 | ||
| https://www.redhat.com/archives/pam-list/2007-January/msg00017.html | mailing-listx_refsource_MLISTVendor Advisory |
Change history (0)
No recorded changes yet.