PatchTheCVECVE-2007-0003: pam_unix.so in Linux-PAM 0.99.7.0 allows context-dependent attackers to log into accounts whose password hash,
CVE-2007-0003 is a high-severity flaw (CVSS 7.2) affecting linux pam. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- On your watchlist
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.2 (High) |
| EPSS exploit chance | 0.4% (top 65%) |
| CISA exploited list | No |
| Published | 2007-01-23 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2007-0003?
linux pam: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2007-0003 being exploited?
CVE-2007-0003 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2007-0003 affect?
CVE-2007-0003 affects linux pam. Severity is high (CVSS 7.2). 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.
How urgent is CVE-2007-0003?
Priority 39/100. High severity; On your watchlist
Related CVEs
- CVE-2003-0388 MEDIUM 4.6 UPGRADE pam_wheel in Linux-PAM 0.78, with the trust option enabled and the use_uid option disabled, allows local users