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Security software company Sophos has released a patch update for its firewall product after it was discovered that attackers were exploiting a new critical zero-day vulnerability to attack its customers’ network.

The issue, tracked as CVE-2022-3236 (CVSS score: 9.8), impacts Sophos Firewall v19.0 MR1 (19.0.1) and older and concerns a code injection vulnerability in the User Portal and Webadmin components that could result in remote code execution.

The company said it “has observed this vulnerability being used to target a small set of specific organizations, primarily in the South Asia region,” adding it directly notified these entities.

As a workaround, Sophos is recommending that users take steps to ensure that the User Portal and Webadmin are not exposed to WAN. Alternatively, users can update to the latest supported version –

images from Hacker News