2025-042 Critical Vulnerability in Cisco Secure Email and Web Manager — CERT-EU-SA2025-042
CERT-EU · CERT-EU · CERT-EU-SA2025-042
ID
CERT-EU-SA2025-042
CERT-EU-SA2025-042
Date
Activity
Source
CERT-EU
CERT-EU
Vendor
CERT-EU
CERT-EU
Threat
critical
critical
Summary
On December 17, 2025, Cisco released a security advisory for a critical vulnerability affecting Cisco Secure Email Gateway and Cisco Secure Email and Web Manager products. It is recommended to follow Cisco's recommendations to check whether vulnerable appliances have been compromised, and to remediate the issue. There is no patch available for this vulnerability yet.
Product
Security advisory
What to do
General, cautious steps (verify details in the official source):
- Prioritize patching or mitigation immediately (treat as actively risky).
- Identify affected product versions in your inventory and verify whether you are impacted.
- Apply vendor patches/updates or recommended mitigations as soon as available.
- Read the official advisory for exact affected versions and remediation steps.