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CVE-2020-3511

Cisco IOS and IOS XE Software ISDN Q.931 Denial of Service Vulnerability PUBLISHED

Description (CNA)

A vulnerability in the ISDN subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient input validation when the ISDN Q.931 messages are processed. An attacker could exploit this vulnerability by sending a malicious ISDN Q.931 message to an affected device. A successful exploit could allow the attacker to cause the process to crash, resulting in a reload of the affected device.

Affected (CNA)

Vendor / productVersions
Cisco / Cisco IOSaffected n/a

CWE

CWE-20

References

ADP enrichment

CVE

No English description supplied.

CISA-ADP

No English description supplied.

No references supplied.