CVE-2020-15069
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…
Browse: All 2020 CVEs · All vendors
- CVSS score
- 9.8 Critical
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2025-02-06, remediation due 2025-02-27)
- Weakness (CWE)
- CWE-120
- Published
- 2020-06-29
- Last modified
- 2026-06-17
- NVD status
- Analyzed
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.
Affected products
- sophos xg firewall firmware
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Federal remediation deadline: 2025-02-27.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
References
- https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15069
FAQ
Is CVE-2020-15069 actively exploited?
Yes. CISA added CVE-2020-15069 to its Known Exploited Vulnerabilities (KEV) catalog on 2025-02-06, with a federal remediation deadline of 2025-02-27. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2020-15069?
CVE-2020-15069 has a CVSS base score of 9.8 (Critical). Its vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2020-29574 — Sophos CyberoamOS
- CVE-2023-1671 — Sophos Web Appliance
- CVE-2022-3236 — Sophos Firewall
- CVE-2022-1040 — Sophos Firewall
- CVE-2020-25223 — Sophos SG UTM
- CVE-2020-12271 — Sophos SFOS
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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