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CVE-2020-12271 is a critical SQL injection vulnerability in Sophos XG Firewall (SFOS) 17.0, 17.1, 17.5, and 18.0 releases available before 2020-04-25. The flaw affects the firewall administration HTTPS interface and User Portal when either service is exposed through the WAN zone. Crafted remote requests can cause externally supplied input to be interpreted as SQL commands. The vulnerability was exploited as a zero-day in April 2020.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in Sophos edge infrastructure appliances that has been exploited by Chinese state-sponsored threat actors for persistent remote access and proxying attacks.
A SQL injection vulnerability in a firewall product's admin interface or user portal that the content states has been exploited in the wild.
SQL injection vulnerability in a firewall product's administrative interface or user portal; listed as exploited in the wild in CISA KEV.
A severe security vulnerability in Sophos firewall devices that allowed unauthorized access, data exfiltration, and damage to the devices. It was exploited as a zero-day in 2020 to compromise approximately 81,000 firewalls globally.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.