5

CVE-2001-0566: cisco catalyst_2900 Improper Input Validation

CVSS: 5.0v2.0MediumModified
Published 27-07-2001Last modified 08-08-2024

Vulnerability summary

CVE-2001-0566 is a medium (CVSS 5.0) Improper Input Validation vulnerability in cisco catalyst_2900. EPSS estimates a 6.42% chance of exploitation in the next 30 days, higher than 93.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
6.42%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 27-07-2001
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

Cisco Catalyst 2900XL switch allows a remote attacker to create a denial of service via an empty UDP packet sent to port 161 (SNMP) when SNMP is disabled.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

6.42%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

0.00 pp

From 6.42% on 20-09-2026

20-09-202620-10-2026
EPSS score
6.42%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databasedoshardwareVerified

    Cisco Catalyst 2900 12.0 - '5.2'XU SNMP Empty UDP Packet Denial of Service

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Cisco1 product

1 vendor · 1 product

References

2 links