Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2020-15069

CVE-2020-15069CRITICAL

n/a n/a — Sophos XG Firewall

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .1067   95.7   YES

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Jun 25  Reserved by mitre
  Jun 29  Published (CNA: mitre)
  Feb 6   Added to CISA KEV, remediation due 2025-02-27

CWE-120 · CNA: mitre · CVSS v3.1 · 2 references · KEV due February 27, 2025

Description

Sophos XG Firewall 17.x through v17.5 MR12 allows a Buffer Overflow and remote code execution via the HTTP/S Bookmarks feature for clientless access. Hotfix HF062020.1 was published for all firewalls running v17.x.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
June 25, 2020	Reserved	Reserved by mitre
June 29, 2020	Published	Published (CNA: mitre)
February 6, 2025	KEV ADDED	Added to CISA KEV, remediation due 2025-02-27

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-120

References (2)

https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal [x_refsource_CONFIRM]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15069 [government-resource]

Authoritative record: CVE-2020-15069 at cve.org

Weaknesses: CWE-120

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-15069 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.