The local_handler_callback function in server/responder/pam/pam_LOCAL_domain.c in sssd 0.4.1 does not properly handle blank-password accounts in the SSSD BE database, which allows context-dependent attackers to obtain access by sending the account's username, in conjunction with an arbitrary password, over an ssh connection.
Conclusion & alert: CVE-2009-2410 is rated High Exploit Risk (73.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.98%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.54% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.44% | 1.98% | +1.54% |
| 2 | 2025-03-30 | 0.50% | 0.44% | -0.06% |
| 3 | 2025-03-29 | — | 0.50% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2009-2410 unimportant priority: Debian including 1 source packages (sssd), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. | https://security-tracker.debian.org/tracker/CVE-2009-2410 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| fedorahosted | sssd | 0.4.1 | cpe:2.3:a:fedorahosted:sssd:0.4.1:*:*:*:*:*:*:* |