What is CVE-2020-3353?

CVE-2020-3353 is a medium-severity vulnerability in Cisco Identity Services Engine Software, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.9/10. Published 2020-06-03.

How severe is CVE-2020-3353?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Cisco Identity Services Engine Software

CVE-2020-3353

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.

Vulnerability class: Race Condition

EPSS: 0.008 (51.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Cisco Identity Services Engine Software — versions n/a
Cisco Identity_services_engine — versions 2.2.0.470, 2.3.0.298, 2.4.0.357

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3353?: CVE-2020-3353 is a medium-severity vulnerability in Cisco Identity Services Engine Software, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.9/10. Published 2020-06-03.
How severe is CVE-2020-3353?: Medium severity. CVSS v3 base score is 5.9 out of 10.