Is CVE-2009-0623 being actively exploited?

CVE-2009-0623 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-0623?

CVE-2009-0623 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2009-0623

HIGH · CVSS 7.8EPSS 1.3%EU EUVD

Unspecified vulnerability in Cisco ACE Application Control Engine Module for Catalyst 6500 Switches and 7600 Routers before A2(1.3) and Cisco ACE 4710 Application Control Engine Appliance before A3(2.1) allows remote attackers to cause a denial of service (device reload) via a crafted SSH packet.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS score: 1.3% (70th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-0626)
Published: February 26, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-0626 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

cisco / ace 4710
cisco / ace 4710
cisco / application control engine module
cisco / application control engine module
cisco / catalyst
cisco / catalyst

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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