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CVE-2020-15069

Published: Jun 29, 2020Updated: Nov 7, 2025 Sources: CVE List NVDCWE-120
9.8CRITICAL
NVD MITRE
EPSS Score
10.7%
Top 4.8%
CISA KEV
Active Exploitation
Since Feb 6, 2025
Exploits
No Known Exploits
Remediation
Workaround Only
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-120

Affected Products

sophos
commercial·GBaka sophos ltd.
xg firewall firmware
Security Products
and 1 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Feb 6, 2025
Remediation due:Feb 27, 2025

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Workaround Available
Is your org exposed to CVE-2020-15069?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

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