Cisco IMC Vulnerability CVE-2026-20093 Enables Authentication Bypass

Severity: High (Score: 72.2)

Sources: Gbhackers, Cybersecuritynews

Summary

Cisco has issued a critical security advisory for CVE-2026-20093, a severe authentication bypass vulnerability in its Integrated Management Controller (IMC) software. This flaw, rated 9.8 on the CVSS scale, allows unauthenticated remote attackers to overwrite administrative passwords, potentially granting them full control over affected Cisco servers and preconfigured network appliances. The vulnerability is specifically located in the password change functionality of the IMC. Organizations using vulnerable Cisco products are at high risk of exploitation. Cisco has released urgent software updates to address this issue. The vulnerability was published on April 1, 2026, and immediate action is recommended for affected users. There are no reports of active exploitation at this time, but the potential impact is significant due to the nature of the flaw. Key Points: • CVE-2026-20093 is a critical authentication bypass vulnerability in Cisco IMC software. • The flaw allows remote attackers to gain full control over vulnerable Cisco servers. • Cisco has released urgent patches to mitigate this high-risk vulnerability.

Key Entities

• Cisco (company)
• CVE-2026-20093 (cve)