CVE-2001-0080
CVE-2001-0080 is a medium-severity vulnerability in Cisco Catalyst 4000 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: 9% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Cisco Catalyst 4000
- Published:
- Last modified:
Description
Cisco Catalyst 6000, 5000, or 4000 switches allow remote attackers to cause a denial of service by connecting to the SSH service with a non-SSH client, which generates a protocol mismatch error.
Frequently asked questions
- What is CVE-2001-0080?
- Cisco Catalyst 6000, 5000, or 4000 switches allow remote attackers to cause a denial of service by connecting to the SSH service with a non-SSH client, which generates a protocol mismatch error.
- How severe is CVE-2001-0080?
- CVE-2001-0080 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2001-0080 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2001-0080?
- CVE-2001-0080 primarily affects Cisco Catalyst 4000. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2001-0080?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2001-0080 published?
- CVE-2001-0080 was published on 2001-02-12 and last updated on 2026-06-16.
References
- http://www.cisco.com/warp/public/707/catalyst-ssh-protocolmismatch-pub.shtml
- http://www.securityfocus.com/bid/2117
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5760
Affected products (3)
- cpe:2.3:h:cisco:catalyst_4000:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_5000:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_6000:*:*:*:*:*:*:*:*
More vulnerabilities in Cisco Catalyst 4000
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