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CVE-2001-0566

24
FAUCET Score

CVE-2001-0566 describes a denial-of-service vulnerability affecting Cisco Catalyst 2900XL switches, where an empty UDP packet sent to port 161 (SNMP) can crash the device, even when SNMP is disabled. This vulnerability has a CVSS score of 5.0 (Medium), indicating it can be exploited remotely with low complexity and without authentication, leading to a partial availability impact. While not listed on the KEV catalog or Hot List, an exploit for this issue is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
xlCPE matchmatch criteria
cpe:2.3:h:cisco:catalyst_2900:xl:*:*:*:*:*:*:*

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
6.42%
Probability of exploitation in next 30 days
EPSS Percentile
93.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-20824 · May 3, 2001
This CVE's current EPSS score of 0.0642 is in the 90th percentile among its peer group of 23,701 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

archives.neohapsis.com / archives/bugtraq/2001-05/0040.html
Broken Link
exchange.xforce.ibmcloud.com / vulnerabilities/6515