Cisco is aware of a potential vulnerability. Cisco is currently investigating and will update these details as appropriate as more information becomes available.
References
| Link | Resource |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sma-attack-N9bf4 | Vendor Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-20393 | US Government Resource |
Configurations
Configuration 1 (hide)
| AND |
|
History
18 Dec 2025, 15:41
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Cisco secure Email And Web Manager M690x
Cisco secure Email And Web Manager M690 Cisco secure Email And Web Manager M170 Cisco secure Email And Web Manager Virtual Appliance M100v Cisco secure Email And Web Manager M195 Cisco secure Email Gateway Virtual Appliance C600v Cisco asyncos Cisco Cisco secure Email And Web Manager Virtual Appliance M600v Cisco secure Email Gateway C695 Cisco secure Email And Web Manager M395 Cisco secure Email And Web Manager M390x Cisco secure Email And Web Manager M390 Cisco secure Email And Web Manager Virtual Appliance M300v Cisco secure Email Gateway C395 Cisco secure Email And Web Manager M695 Cisco secure Email And Web Manager M680 Cisco secure Email And Web Manager M190 Cisco secure Email Gateway Virtual Appliance C100v Cisco secure Email And Web Manager M380 Cisco secure Email Gateway C195 Cisco secure Email Gateway Virtual Appliance C300v |
|
| References | () https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sma-attack-N9bf4 - Vendor Advisory | |
| References | () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-20393 - US Government Resource | |
| CPE | cpe:2.3:a:cisco:secure_email_and_web_manager_virtual_appliance_m300v:-:*:*:*:*:*:*:* cpe:2.3:a:cisco:secure_email_gateway_virtual_appliance_c600v:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m190:-:*:*:*:*:*:*:* cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m695:-:*:*:*:*:*:*:* cpe:2.3:a:cisco:secure_email_gateway_virtual_appliance_c100v:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m390x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m170:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m680:-:*:*:*:*:*:*:* cpe:2.3:a:cisco:secure_email_and_web_manager_virtual_appliance_m100v:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_gateway_c695:-:*:*:*:*:*:*:* cpe:2.3:a:cisco:secure_email_gateway_virtual_appliance_c300v:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m195:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m690:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m390:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_gateway_c195:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m380:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m690x:-:*:*:*:*:*:*:* cpe:2.3:a:cisco:secure_email_and_web_manager_virtual_appliance_m600v:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_gateway_c395:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m395:-:*:*:*:*:*:*:* |
17 Dec 2025, 21:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
17 Dec 2025, 17:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-12-17 17:15
Updated : 2025-12-18 15:41
NVD link : CVE-2025-20393
Mitre link : CVE-2025-20393
CVE.ORG link : CVE-2025-20393
JSON object : View
Products Affected
cisco
- secure_email_gateway_c395
- secure_email_and_web_manager_m680
- secure_email_and_web_manager_virtual_appliance_m300v
- secure_email_and_web_manager_m695
- secure_email_and_web_manager_m690x
- secure_email_gateway_c695
- asyncos
- secure_email_and_web_manager_m395
- secure_email_gateway_virtual_appliance_c300v
- secure_email_and_web_manager_virtual_appliance_m600v
- secure_email_and_web_manager_m390
- secure_email_and_web_manager_m170
- secure_email_gateway_virtual_appliance_c100v
- secure_email_and_web_manager_virtual_appliance_m100v
- secure_email_gateway_c195
- secure_email_and_web_manager_m195
- secure_email_gateway_virtual_appliance_c600v
- secure_email_and_web_manager_m380
- secure_email_and_web_manager_m190
- secure_email_and_web_manager_m690
- secure_email_and_web_manager_m390x
CWE
CWE-20
Improper Input Validation