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CVE-2003-0686

42
FAUCET Score

CVE-2003-0686 describes a critical buffer overflow vulnerability in the PAM SMB module (pam_smb) versions 1.1.6 and earlier, specifically impacting dave_airlie pam_smb and redhat pam_smb. This flaw allows remote attackers to execute arbitrary code when a system attempts to authenticate to a remote service. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, exploit code is publicly available via ExploitDB (EDB-89), indicating a clear path for exploitation. Despite its age and the existence of public exploits, there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.1CPE matchmatch criteria
cpe:2.3:a:dave_airlie:pam_smb:1.1:*:*:*:*:*:*:*
1.1.1CPE matchmatch criteria
cpe:2.3:a:dave_airlie:pam_smb:1.1.1:*:*:*:*:*:*:*
1.1.2CPE matchmatch criteria
cpe:2.3:a:dave_airlie:pam_smb:1.1.2:*:*:*:*:*:*:*
1.1.3CPE matchmatch criteria
cpe:2.3:a:dave_airlie:pam_smb:1.1.3:*:*:*:*:*:*:*
1.1.4CPE matchmatch criteria
cpe:2.3:a:dave_airlie:pam_smb:1.1.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
26.97%
Probability of exploitation in next 30 days
EPSS Percentile
97.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-89 · Aug 29, 2003
This CVE's current EPSS score of 0.2697 is in the 96th percentile among its peer group of 51,455 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux AS (Advanced Server) version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux ES version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux WS version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 8.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux Advanced Workstation 2.1
View patch

Vendor Advisories (1)

redhatCVE-2003-0686Important

security flaw

Aug 26, 2003

References

distro.conectiva.com.br / atualizacoes
marc.info
secunia.com / advisories/9611
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A469
us2.samba.org / samba/ftp/pam_smb
debian.org / security/2003/dsa-374
PatchVendor Advisory
kb.cert.org / vuls/id/680260
US Government Resource
redhat.com / support/errata/RHSA-2003-261.html
redhat.com / support/errata/RHSA-2003-262.html
PatchVendor Advisory
turbolinux.com / security/TLSA-2003-50.txt