Is It On KEV?

Sophos Firewall

YES - ON THE CISA KEV LIST
CVE-2022-1040

Sophos Firewall Authentication Bypass Vulnerability

CISA catalog due date2022-04-21
overdue since 2022-04-21
EPSS exploit probability (next 30 days)99.8% · 100percentile
From CVE publication to KEV listing6 days (2022-03-25 → 2022-03-31)
Remediation window (KEV listing to due date)21 days
Days on the KEV list1686 days
Date added to KEV2022-03-31
Known ransomware campaign useUnknown
VendorSophos
ProductFirewall
Weaknesses (CWE)CWE-158

Sophos: 7 entries (0.4% of all KEV entries are from this vendor); 0 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

An authentication bypass vulnerability in User Portal and Webadmin of Sophos Firewall allows for remote code execution.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2022-1040

References

Other KEV entries for this vendor: Sophos

Sophos - Vendors with KEV entries

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