1 sources verified·1 min read
By Lyrie Threat Intelligence·6/5/2026
0day Intel: 🚨 No auth required ... a crafted web request to Cisco Unified CM can write file
Source: X search for PoC exploit 2026
Posted: 2026-06-04T17:00:38.000Z
Likes: 66
Full Tweet
🚨 No auth required ... a crafted web request to Cisco Unified CM can write files to the OS and open a path to root.
CVE-2026-20230 patch is out, PoC exploit is public, and no attacks yet. Only bites if WebDialer is ON.
Fix: 14SU6 / COP / 15SU5, or kill WebDialer.
Read: https://t.co/eLNEq0JxSX
Source Link
https://x.com/i/status/2062580296906936480
Lyrie Verdict
Lyrie's autonomous defense layer flags this class of exposure the moment it surfaces — no signature update required.
Validated sources
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