CVE-2022-1040Vulnerability
Sophos Firewall Authentication Bypass Vulnerability
Exploited in the wildCISA added it to its Known Exploited Vulnerabilities list on .
Reported by 2 independent sources · first reported by Recorded Future · last reported
Last reported 28 days ago
CISA KEVAdded 31 Mar 2022
Fix due 21 Apr 2022
Used by ransomware: not knownCISA KEV catalogue
Fix due 21 Apr 2022
Used by ransomware: not knownCISA KEV catalogue
EPSS99.8%
higher than 99% of CVEsFIRST EPSS, as of 13 Oct 2026
higher than 99% of CVEsFIRST EPSS, as of 13 Oct 2026
What the reports say
2 reports, newest first · the exact sentence from each-
Operation Talked: A Russia-Linked Cyber Espionage Campaign Targeting Ukraine’s Defense Industry“A single vulnerability dominated the volume: Sophos XG (CVE-2022-1040) alone accounts for roughly 757,000 targets.”
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August 2026 CVE Landscape“CVE-2022-1040”
Indicators reported together
named in the same reportsAlso named with it: CVE-2025-49113, CVE-2026-63030, CVE-2023-46747, CVE-2024-55591, CVE-2025-31324, CVE-2026-68820, CVE-2026-65400, CVE-2026-60004, CVE-2026-64849, CVE-2026-33824, CVE-2026-0300, CVE-2026-33017, CVE-2017-0199, CVE-2022-0847, CVE-2026-34486, CVE-2026-39987, CVE-2021-3156, CVE-2021-29441, CVE-2026-3055, CVE-2026-12569
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