CVE-2020-3353
MEDIUMCisco Identity Services Engine - Denial of Service via Syslog Processing Race Condition
Title source: llmDescription
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
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-dos-qNzq39K7
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