CVE-2009-2410

Exp

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.

Published: 2009-07-30 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

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.

Public exploit references (Exploit-DB) for CVE-2009-2410

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-2410

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2410

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2009-2410

OS Trackers for CVE-2009-2410

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

Affected software / configurations for CVE-2009-2410

Vendor Product Version Raw CPE
fedorahosted sssd 0.4.1 cpe:2.3:a:fedorahosted:sssd:0.4.1:*:*:*:*:*:*:*

References for CVE-2009-2410

cvelogic Threat Intelligence