CVE-2003-1132

CVE-2003-1132 is a medium-severity vulnerability in Cisco Content Services Switch 11000 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

Description

The DNS server for Cisco Content Service Switch (CSS) 11000 and 11500, when prompted for a nonexistent AAAA record, responds with response code 3 (NXDOMAIN or "Name Error") instead of response code 0 ("No Error"), which allows remote attackers to cause a denial of service (inaccessible domain) by forcing other DNS servers to send and cache a request for a AAAA record to the vulnerable server.

Frequently asked questions

What is CVE-2003-1132?
The DNS server for Cisco Content Service Switch (CSS) 11000 and 11500, when prompted for a nonexistent AAAA record, responds with response code 3 (NXDOMAIN or "Name Error") instead of response code 0 ("No Error"), which allows remote attackers to cause a denial of service (inaccessible domain) by forcing other DNS servers to send and cache a request for a AAAA record to the vulnerable server.
How severe is CVE-2003-1132?
CVE-2003-1132 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-1132 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1132?
CVE-2003-1132 primarily affects Cisco Content Services Switch 11000. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-1132?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-1132 published?
CVE-2003-1132 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (2)

More vulnerabilities in Cisco Content Services Switch 11000

All CVEs affecting Cisco Content Services Switch 11000 →