How severe is CVE-2003-0677?

CVE-2003-0677 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2003-0677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0677?

CVE-2003-0677 affects Cisco Webns. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-0677?

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

When was CVE-2003-0677 published?

CVE-2003-0677 was published on 2003-08-27 and last updated on 2026-06-16.

CVE-2003-0677

CVE-2003-0677 is a medium-severity vulnerability in Cisco Webns with a CVSS 2.0 base score of 5.0. 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 5.0)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Webns
Published: 2003-08-27
Last modified: 2026-06-16

Description

Cisco CSS 11000 routers on the CS800 chassis allow remote attackers to cause a denial of service (CPU consumption or reboot) via a large number of TCP SYN packets to the circuit IP address, aka "ONDM Ping failure."

Frequently asked questions

What is CVE-2003-0677?: Cisco CSS 11000 routers on the CS800 chassis allow remote attackers to cause a denial of service (CPU consumption or reboot) via a large number of TCP SYN packets to the circuit IP address, aka "ONDM Ping failure."
How severe is CVE-2003-0677?: CVE-2003-0677 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0677?: CVE-2003-0677 affects Cisco Webns. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0677?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0677 published?: CVE-2003-0677 was published on 2003-08-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:cisco:webns:5.0_0.038s:*:*:*:*:*:*:*

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