Input validation error in Cisco ASR 5000 Series - CVE-2020-3244
Published: June 23, 2020
Vulnerability identifier: #VU29213
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3244
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to insufficient validation of user-supplied input in the Enhanced Charging Service (ECS) functionality. A remote attacker can send a specially crafted HTTP request, bypass the traffic classification rules and potentially avoid being charged for traffic consumption.
Affected software
Cisco ASR 5000 Series
How to mitigate CVE-2020-3244
Install updates from vendor's website.
Cisco ASR 5000 Series - update to 21.18.0