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CVE-2020-15069: Sophos XG Firewall Buffer Overflow Vulnerability

criticalknown exploitedCVE-2020-15069
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Sophos XG Firewall contains a buffer overflow vulnerability that allows for remote code execution via the "HTTP/S bookmark" feature.

CSIRTS triage

vendor: Sophosproduct: XG FirewallRemote code execution
What
The vulnerability allows for remote code execution via the "HTTP/S bookmark" feature.
Who is affected
Deployments of Sophos XG Firewall.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security patch provided by Sophos.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-02-06
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-15069

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2020-15069coverage & exploitation statusNVD · CVE.org

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