AEGLIX vulnerability intelligence
CVE-2025-20393
CRITICAL · CVSS 10.0 · Analyzed
Published: 2025-12-17 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
A vulnerability in the Spam Quarantine feature of Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Email and Web Manager could allow an unauthenticated, remote attacker to execute arbitrary system commands on an affected device with root privileges. This vulnerability is due to insufficient validation of HTTP requests by the Spam Quarantine feature. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges.
Severity and scoring
- CVSS score
- 10.0 · CRITICAL
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-20
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Cisco · Multiple Products
- Added to catalog
- 2025-12-17
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA remediation due date
- 2025-12-24
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*
Before (exclusive): 15.0.5-016
cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*
From (inclusive): 15.5
Before (exclusive): 15.5.4-012
cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*
From (inclusive): 16.0
Before (exclusive): 16.0.4-016
cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*
Before (exclusive): 15.0.2-007
cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*
From (inclusive): 15.5
Before (exclusive): 15.5.4-007
cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*
From (inclusive): 16.0
Before (exclusive): 16.0.4-010
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.