How severe is CVE-2003-0857?

CVE-2003-0857 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2003-0857 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0857?

CVE-2003-0857 primarily affects Redhat Enterprise Linux. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0857?

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

When was CVE-2003-0857 published?

CVE-2003-0857 was published on 2003-12-31 and last updated on 2026-06-16.

CVE-2003-0857

CVE-2003-0857 is a medium-severity vulnerability in Redhat Enterprise Linux with a CVSS 2.0 base score of 4.6. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.6)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Redhat Enterprise Linux
Published: 2003-12-31
Last modified: 2026-06-16

Description

The (1) ipq_read and (2) ipulog_read functions in iptables allow 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-2003-0857?: The (1) ipq_read and (2) ipulog_read functions in iptables allow local users to cause a denial of service by sending spoofed messages as other users to the kernel netlink interface.
How severe is CVE-2003-0857?: CVE-2003-0857 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2003-0857 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0857?: CVE-2003-0857 primarily affects Redhat Enterprise Linux. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0857?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0857 published?: CVE-2003-0857 was published on 2003-12-31 and last updated on 2026-06-16.

References

https://bugzilla.redhat.com/show_bug.cgi?id=108574

Affected products (2)

cpe:2.3:o:redhat:enterprise_linux:2.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:3.0:*:*:*:*:*:*:*

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