Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2001-0080

26
FAUCET Score

CVE-2001-0080 describes a denial-of-service vulnerability affecting Cisco Catalyst 4000, 5000, and 6000 series switches. This flaw allows remote attackers to disrupt service by connecting to the SSH port with a non-SSH client, triggering a protocol mismatch error. The vulnerability has a CVSS score of 5.0 (Medium), indicating a network-based attack with low complexity and potential for partial availability impact. While not actively exploited in the wild and not on CISA's KEV catalog, exploit code is publicly available via ExploitDB, though there is no significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:h:cisco:catalyst_4000:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:h:cisco:catalyst_5000:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:h:cisco:catalyst_6000:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.95%
Probability of exploitation in next 30 days
EPSS Percentile
94.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-20509 · Dec 13, 2000
This CVE's current EPSS score of 0.0895 is in the 93rd percentile among its peer group of 23,690 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/5760
cisco.com / warp/public/707/catalyst-ssh-protocolmismatch-pub.shtml
PatchVendor Advisory
securityfocus.com / bid/2117