CVE-2003-0550
The STP protocol, as enabled in Linux 2.4.x, does not provide sufficient security by design,...
The STP protocol, as enabled in Linux 2.4.x, does not provide sufficient security by design, which allows attackers to modify the bridge topology.
Exploit likelihood
What each source reports
NVD Score used
The STP protocol, as enabled in Linux 2.4.x, does not provide sufficient security by design, which allows attackers to modify the bridge topology.
- Record
CVE-2003-0550- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
The STP protocol, as enabled in Linux 2.4.x, does not provide sufficient security by design, which allows attackers to modify the bridge topology.
- Record
CVE-2003-0550- Updated
- 2026-11-02
EUVDEUVD-2003-0544 No score
The STP protocol, as enabled in Linux 2.4.x, does not provide sufficient security by design, which allows attackers to modify the bridge topology.
- Record
EUVD-2003-0544- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f29g-8qvj-p3hm No score
The STP protocol, as enabled in Linux 2.4.x, does not provide sufficient security by design,...
The STP protocol, as enabled in Linux 2.4.x, does not provide sufficient security by design, which allows attackers to modify the bridge topology.
- Record
GHSA-f29g-8qvj-p3hm- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kernel-source-2.4.18Debian:3.0 |
before 2.4.18-11 | 2.4.18-11 |
kernel-image-2.4.18-1-i386Debian:3.0 |
before 2.4.18-9 | 2.4.18-9 |
kernel-image-2.4.18-i386bfDebian:3.0 |
before 2.4.18-5woody2, plus listed versions 2.4.18-5 |
2.4.18-5woody2 |
kernel-image-2.4.18-1-alphaDebian:3.0 |
before 2.4.18-8 | 2.4.18-8 |
kernel-image-2.4.17-ia64Debian:3.0 |
before kernel-image-2.4.17-ia64 | kernel-image-2.4.17-ia64 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2003-0550 is a medium vulnerability (CVSS 5.0) in Redhat Linux, published July 25, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.94%, the 80th percentile. Fixed in kernel-source-2.4.18 2.4.18-11.
References
redhat.com/support/errata/RHSA-2003-238.html
debian.org/security/2004/dsa-423
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A380
nvd.nist.gov/vuln/detail/CVE-2003-0550
github.com/advisories/GHSA-f29g-8qvj-p3hm