How severe is CVE-2004-0589?

CVE-2004-0589 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2004-0589 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0589?

CVE-2004-0589 affects Cisco Ios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-0589?

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

When was CVE-2004-0589 published?

CVE-2004-0589 was published on 2004-08-06 and last updated on 2026-06-16.

CVE-2004-0589

CVE-2004-0589 is a medium-severity vulnerability in Cisco Ios with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Ios
Published: 2004-08-06
Last modified: 2026-06-16

Description

Cisco IOS 11.1(x) through 11.3(x) and 12.0(x) through 12.2(x), when configured for BGP routing, allows remote attackers to cause a denial of service (device reload) via malformed BGP (1) OPEN or (2) UPDATE messages.

Frequently asked questions

What is CVE-2004-0589?: Cisco IOS 11.1(x) through 11.3(x) and 12.0(x) through 12.2(x), when configured for BGP routing, allows remote attackers to cause a denial of service (device reload) via malformed BGP (1) OPEN or (2) UPDATE messages.
How severe is CVE-2004-0589?: CVE-2004-0589 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2004-0589 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0589?: CVE-2004-0589 affects Cisco Ios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-0589?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-0589 published?: CVE-2004-0589 was published on 2004-08-06 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*

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