How severe is CVE-2001-1097?

CVE-2001-1097 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-1097 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1097?

CVE-2001-1097 primarily affects Cisco Ios. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-1097?

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

When was CVE-2001-1097 published?

CVE-2001-1097 was published on 2001-07-24 and last updated on 2026-06-16.

CVE-2001-1097

CVE-2001-1097 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: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Ios
Published: 2001-07-24
Last modified: 2026-06-16

Description

Cisco routers and switches running IOS 12.0 through 12.2.1 allows a remote attacker to cause a denial of service via a flood of UDP packets.

Frequently asked questions

What is CVE-2001-1097?: Cisco routers and switches running IOS 12.0 through 12.2.1 allows a remote attacker to cause a denial of service via a flood of UDP packets.
How severe is CVE-2001-1097?: CVE-2001-1097 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-1097 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1097?: CVE-2001-1097 primarily affects Cisco Ios. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1097?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1097 published?: CVE-2001-1097 was published on 2001-07-24 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(6\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(7\)t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*

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