CVE-2020-3244: cisco cisco asr 5000 series software Improper Input Validation

Vulnerability summary

CVE-2020-3244 is a medium (CVSS 5.3) Improper Input Validation vulnerability in cisco cisco asr 5000 series software. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.5% of scored vulnerabilities.

Timeline

1. 18-06-2020
   PublishedVulnerability first disclosed.
2. 15-11-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability in the Enhanced Charging Service (ECS) functionality of Cisco ASR 5000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to bypass the traffic classification rules on an affected device. The vulnerability is due to insufficient input validation of user traffic going through an affected device. An attacker could exploit this vulnerability by sending a malformed HTTP request to an affected device. A successful exploit could allow the attacker to bypass the traffic classification rules and potentially avoid being charged for traffic consumption.

• CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.