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Recorded 23 Oct 2026 at 08:31 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

The historical “Vendor advisory” caption recorded a reference cited by CISA. It does not verify that the vendor authored that page. The original caption and address remain below.

Cisco Multiple Products Improper Input Validation Vulnerability

Cisco Secure Email Gateway, Secure Email, AsyncOS Software, and Web Manager appliances contains an improper input validation vulnerability that allows threat actors to execute arbitrary commands with root privileges on the underlying operating system of an affected appliance.

What it said

CVE
CVE-2025-20393
Vendor
Cisco
Product
Multiple Products
CISA KEV
Listed 17 Dec 2025
Known ransomware use
Not stated
Federal remediation due
24 Dec 2025

Source evidence when recorded

CISA KEV
IncompleteRead 23 Oct 2026 at 08:14 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

Page history

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  1. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 11:03 UTC · 264 of 275 readable · 263 fully read · documentation 469/469 current