CVE-2020-3353

MEDIUM

Cisco Identity Services Engine - Denial of Service via Syslog Processing Race Condition

Title source: llm
STIX 2.1

Description

A vulnerability in the syslog processing engine of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a race condition that may occur when syslog messages are processed. An attacker could exploit this vulnerability by sending a high rate of syslog messages to an affected device. A successful exploit could allow the attacker to cause the Application Server process to crash, resulting in a DoS condition.

References (1)

Core 1
Core References

Scores

CVSS v3 5.9
EPSS 0.0038
EPSS Percentile 59.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-362
Status published
Products (3)
cisco/identity_services_engine 2.2.0.470 (13 CPE variants)
cisco/identity_services_engine 2.3.0.298 (6 CPE variants)
cisco/identity_services_engine 2.4.0.357 (2 CPE variants)
Published Jun 03, 2020
Tracked Since Feb 18, 2026