CVE-2019-3924: mikrotik routeros Confused Deputy

Vulnerability summary

CVE-2019-3924 is a high (CVSS 7.5) Confused Deputy vulnerability in mikrotik routeros. EPSS estimates a 15.70% chance of exploitation in the next 30 days, higher than 96.8% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 20-02-2019
   PublishedVulnerability first disclosed.
2. 17-09-2024
   Last modifiedVulnerability information updated.

Description

MikroTik RouterOS before 6.43.12 (stable) and 6.42.12 (long-term) is vulnerable to an intermediary vulnerability. The software will execute user defined network requests to both WAN and LAN clients. A remote unauthenticated attacker can use this vulnerability to bypass the router's firewall or for general network scanning activities.

• CWE-441Unintended Proxy or Intermediary ('Confused Deputy')The product receives a request, message, or directive from an upstream component, but the product does not sufficiently preserve the original source of the request before forwarding the request to an external actor that is outside of the product's control sphere. This causes the product to appear to be the source of the request, leading it to act as a proxy or other intermediary between the upstream component and the external actor.