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Cisco Unified CM vulnerability exploited to gain root access via WebDialer

Feeds.4Sysops •IT News • June 24, 2026

A high-severity vulnerability tracked as CVE-2026-20230 is currently being exploited in the wild against Cisco Unified Communications Manager (Unified CM) and Session Management Edition. The flaw resides in the WebDialer service and stems from improper input validation of specific HTTP requests. Attackers can leverage this weakness to conduct Server-Side Request Forgery (SSRF) attacks without requiring any prior authentication. Source

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical RCE Vulnerability in BeyondTrust Software Requires Immediate Patching BeyondTrust has issued a warning regarding a critical remote code execution (RCE) vulnerability in its Remote Support and Privileged Remote Access software. The flaw, tracked as CVE-2026-1731, allows unauthenticated attackers to execute arbitrary code remotely and affects versions 25.3.1 or earlier of Remote Support and 24.3.4 or earlier of Privileged Remote Access. Users are advised to apply the patches released on February 6, 2026, to mitigate the risk of exploitation. 1495 sources 67

Extracted Entities

Cisco Unified CM vulnerability exploited to gain root access via WebDialer

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Extracted Entities

Attack Types (1)

CVEs (1)

CWE Weaknesses (2)

Platforms (3)