CVE-2025-20393

Kritisch10.0 Veröffentlicht am 17.12.2025

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.

Aktiv ausgenutzt

  • Seit dem 17.12.2025 im CISA-Katalog ausgenutzter Schwachstellen
  • US-Bundesbehörden müssen sie bis zum 24.12.2025 beheben (BOD 22-01)
  • Angegriffen 1 Tag bevor die Schwachstelle öffentlich wurde

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Quelle: CISA KEV · 08.04.2026 28.01.2026 27.01.2026 20.01.2026 13.01.2026 30.12.2025

CVSS-Score10.0 / 10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Schwachstellentyp (CWE)CWE-20
Herstellercisco

Betroffene Produkte

HerstellerProduktVersionen
ciscoasyncos< 15.0.5-016
ciscosecure email gateway virtual appliance c100v-
ciscosecure email gateway virtual appliance c300v-
ciscosecure email gateway virtual appliance c600v-
ciscosecure email gateway c195-
ciscosecure email gateway c395-
ciscosecure email gateway c695-
ciscosecure email and web manager virtual appliance m100v-
ciscosecure email and web manager virtual appliance m300v-
ciscosecure email and web manager virtual appliance m600v-
ciscosecure email and web manager m170-
ciscosecure email and web manager m190-
ciscosecure email and web manager m195-
ciscosecure email and web manager m380-
ciscosecure email and web manager m390-
ciscosecure email and web manager m390x-
ciscosecure email and web manager m395-
ciscosecure email and web manager m680-
ciscosecure email and web manager m690-
ciscosecure email and web manager m690x-
ciscosecure email and web manager m695-

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This product uses the NVD API but is not endorsed or certified by the NVD.

CVE-Datenbank