CVE-2020-15069Sophos 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.
Updated under an hour ago ()
Does this affect you?
It affects sophos xg_firewall_firmware. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Feb 6, 2025; federal agencies had to remediate by Feb 27, 2025. Treat that date as your deadline.
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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.
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-120
- Known exploited
- Added to CISA KEV Feb 6, 2025; federal remediation due Feb 27, 2025Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 10.67% (percentile 96)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
sophos xg_firewall_firmware sophos:xg_firewall_firmware | from 17.0 before 17.5; 17.5; 17.5; 17.5; 17.5; 17.5; 17.5; 17.5; and 5 more ranges | NVD |
References
- https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portalx-refsource-confirm, mitigation, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15069us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.