SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2005-0943

Cisco VPN 3000 series Concentrator running firmware 4.1.7.A and earlier allows remote attackers to cause a denial of service (device reload or drop user connection) via a crafted HTTPS packet.

MEDIUM 5.0EPSS 1.62%

Does this matter?

Lower severity and a low EPSS score (1.62%). Track it; it rarely justifies an emergency change on its own.

Description

Cisco VPN 3000 series Concentrator running firmware 4.1.7.A and earlier allows remote attackers to cause a denial of service (device reload or drop user connection) via a crafted HTTPS packet.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
1.62% probability · 76th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
cisco/vpn 3015 concentrator · cisco/vpn 3020 concentrator · cisco/vpn 3030 concentator · cisco/vpn 3060 concentrator · cisco/vpn 3080 concentrator · cisco/vpn 3000 concentrator series software · cisco/vpn 3005 concentrator software · cisco/vpn 3002 hardware client
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 1.62%26 October 202626 October 2026

EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.