How severe is CVE-2003-0858?

CVE-2003-0858 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2003-0858 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0858?

CVE-2003-0858 primarily affects Gnu Zebra. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0858?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2003-0858 published?

CVE-2003-0858 was published on 2003-12-15 and last updated on 2026-06-16.

CVE-2003-0858

CVE-2003-0858 is a low-severity vulnerability in Gnu Zebra with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Gnu Zebra
Published: 2003-12-15
Last modified: 2026-06-16

Description

Zebra 0.93b and earlier, and quagga before 0.95, allows local users to cause a denial of service by sending spoofed messages as other users to the kernel netlink interface.

Frequently asked questions

What is CVE-2003-0858?: Zebra 0.93b and earlier, and quagga before 0.95, allows local users to cause a denial of service by sending spoofed messages as other users to the kernel netlink interface.
How severe is CVE-2003-0858?: CVE-2003-0858 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2003-0858 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0858?: CVE-2003-0858 primarily affects Gnu Zebra. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0858?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0858 published?: CVE-2003-0858 was published on 2003-12-15 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:gnu:zebra:*:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga_routing_software_suite:*:*:*:*:*:*:*:*

More vulnerabilities in Gnu Zebra

CVE-2003-0795 — Medium (CVSS 5.0): The vty layer in Quagga before 0.96.4, and Zebra 0.93b and earlier, does not verify that sub-negotiation is taking…
CVE-2003-0859 — Medium (CVSS 4.9): The getifaddrs function in GNU libc (glibc) 2.2.4 and earlier allows local users to cause a denial of service by…

All CVEs affecting Gnu Zebra →

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →