CVE-2003-0686

Exp

Buffer overflow in PAM SMB module (pam_smb) 1.1.6 and earlier, when authenticating to a remote service, allows remote attackers to execute arbitrary code.

Published: 2003-10-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0686 is rated High Exploit Risk (74.2/100): CVSS High severity, with high exploitation likelihood (EPSS 25.43%, 98th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). 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-2003-0686

EDB-ID Source Kind Published Link
89 exploit_db edb 2003-08-29 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-0686

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 49.33% 25.43% -23.91%
2 2026-02-08 41.40% 49.33% +7.93%
3 2025-05-08 — 41.40% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0686

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-2003-0686

OS Trackers for CVE-2003-0686

vendor priority summary link
redhat high — https://access.redhat.com/security/cve/CVE-2003-0686
suse medium — https://www.suse.com/security/cve/CVE-2003-0686/

Affected software / configurations for CVE-2003-0686

Vendor Product Version Raw CPE
dave_airlie pam_smb 1.1 cpe:2.3:a:dave_airlie:pam_smb:1.1:*:*:*:*:*:*:*
dave_airlie pam_smb 1.1.1 cpe:2.3:a:dave_airlie:pam_smb:1.1.1:*:*:*:*:*:*:*
dave_airlie pam_smb 1.1.2 cpe:2.3:a:dave_airlie:pam_smb:1.1.2:*:*:*:*:*:*:*
dave_airlie pam_smb 1.1.3 cpe:2.3:a:dave_airlie:pam_smb:1.1.3:*:*:*:*:*:*:*
dave_airlie pam_smb 1.1.4 cpe:2.3:a:dave_airlie:pam_smb:1.1.4:*:*:*:*:*:*:*
dave_airlie pam_smb 1.1.5 cpe:2.3:a:dave_airlie:pam_smb:1.1.5:*:*:*:*:*:*:*
dave_airlie pam_smb 1.1.6 cpe:2.3:a:dave_airlie:pam_smb:1.1.6:*:*:*:*:*:*:*
dave_airlie pam_smb 2.0_rc4 cpe:2.3:a:dave_airlie:pam_smb:2.0_rc4:*:*:*:*:*:*:*
redhat pam_smb 1.1.6-2 cpe:2.3:a:redhat:pam_smb:1.1.6-2:*:i386:*:*:*:*:*
redhat pam_smb 1.1.6-2 cpe:2.3:a:redhat:pam_smb:1.1.6-2:*:ia64:*:*:*:*:*
redhat pam_smb 1.1.6-5 cpe:2.3:a:redhat:pam_smb:1.1.6-5:*:i386:*:*:*:*:*
redhat pam_smb 1.1.6-7 cpe:2.3:a:redhat:pam_smb:1.1.6-7:*:i386:*:*:*:*:*

References for CVE-2003-0686

cvelogic Threat Intelligence