CVE-2003-0551

Exp

The STP protocol implementation in Linux 2.4.x does not properly verify certain lengths, which could allow attackers to cause a denial of service.

Published: 2003-08-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0551 is rated High Exploit Risk (64.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.28%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.61% over the last day, indicating growing attacker interest. 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-2003-0551

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

Exploit prediction scoring system (EPSS) score for CVE-2003-0551

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 0.68% 2.28% +1.61%
2 2025-03-30 1.25% 0.68% -0.57%
3 2025-03-29 — 1.25% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0551

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2003-0551

OS Trackers for CVE-2003-0551

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2003-0551

Affected software / configurations for CVE-2003-0551

Vendor Product Version Raw CPE
redhat linux 2.4.2 cpe:2.3:o:redhat:linux:2.4.2:*:*:*:*:*:*:*

References for CVE-2003-0551

cvelogic Threat Intelligence