Skip to main content
ExploitedIn CISA KEVFix available

CVE-2020-15069

Exploitation confirmed. First attested on 2025-02-06 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2020-06-29
  • Fixed in17.5
  • WeaknessCWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-06-2918:15CVE publishedNVD
  2. 2025-02-06Added to the CISA KEV catalogCISA KEV
  3. 2025-02-06Listed as exploited by GCVEGCVE
  4. 2025-02-06Exploitation first reportedCISA KEV
  5. 2025-02-0704:55SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-15069?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-15069?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Sophos xg firewall firmwareversion to verify
BranchAffectedFixed in
17.x≥ 17.0, < 17.517.5
17.5= 17.5no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Sophos xg firewall firmware to 17.5
  2. CISA’s required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.due 2025-02-27

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2025-02-06
Patch Due Date
2025-02-27
Ransomware Use
Unknown
Required Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2020-06-29
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-x7vj-wqq4-cq4v

Frequently asked questions

What is 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 access. Hotfix HF062020.1 was published for all firewalls running v17.x.

Is CVE-2020-15069 actively exploited?

Yes. CVE-2020-15069 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2025-02-27.

What is the CVSS score for CVE-2020-15069?

CVE-2020-15069 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

No credit card required · No monthly cap on website lookups · 250 API requests/month

Sources for this record