NGINX Rift attackers waste no time targeting exposed servers
Summary
Attackers are actively exploiting a recently disclosed 18-year-old vulnerability in NGINX, identified as CVE-2023-45278. Researchers have observed immediate probing and exploitation attempts on exposed servers just days after the flaw was made public, highlighting the urgency for organizations to patch their systems.
IFF Assessment
This article reports on an active exploit of a vulnerability, which poses a direct threat to the security of systems and data.
Severity
The vulnerability allows for unauthorized access to sensitive information and can lead to denial-of-service conditions, with a potential for remote exploitation due to its nature in handling requests. The CVSS score is estimated considering these impacts and the ease of exploitation for an unauthenticated attacker.
Defender Context
This situation underscores the critical need for rapid patching of known vulnerabilities, especially those with a long history that may have been overlooked. Defenders should prioritize scanning for and remediating CVE-2023-45278 across their NGINX deployments and monitor network traffic for suspicious activity indicative of exploitation.