How severe is CVE-2003-0305?

CVE-2003-0305 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2003-0305 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0305?

CVE-2003-0305 primarily affects Cisco Ios. In total, 48 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0305?

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

When was CVE-2003-0305 published?

CVE-2003-0305 was published on 2003-06-09 and last updated on 2026-06-16.

CVE-2003-0305

CVE-2003-0305 is a medium-severity vulnerability in Cisco Ios 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: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Ios
Published: 2003-06-09
Last modified: 2026-06-16

Description

The Service Assurance Agent (SAA) in Cisco IOS 12.0 through 12.2, aka Response Time Reporter (RTR), allows remote attackers to cause a denial of service (crash) via malformed RTR packets to port 1967.

Frequently asked questions

What is CVE-2003-0305?: The Service Assurance Agent (SAA) in Cisco IOS 12.0 through 12.2, aka Response Time Reporter (RTR), allows remote attackers to cause a denial of service (crash) via malformed RTR packets to port 1967.
How severe is CVE-2003-0305?: CVE-2003-0305 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0305 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0305?: CVE-2003-0305 primarily affects Cisco Ios. In total, 48 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0305?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0305 published?: CVE-2003-0305 was published on 2003-06-09 and last updated on 2026-06-16.

References

Affected products (48)

cpe:2.3:o:cisco:ios:12.0\(15\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(15\)sc:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(15\)sl:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(16\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(16\)sc:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(16\)st:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(17\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(17\)sl:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(18\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(18\)sl:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(19\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(19\)sl:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(19\)sp:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(20\)sl:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(20\)sp:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(21\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(21\)sl:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(21\)sx:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(8\)ea:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(9\)ea:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(10\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(10\)e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(10\)ec:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(10\)ex:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(10\)ey:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(10.5\)ec:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(10a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(11\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(11.5\)e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(11a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(11b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(11b\)e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(12\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(12a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(12b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(12c\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(13\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(14\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(14.5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(6.8a\):*:*:*:*:*:*:*

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