Critical severity · published Jun 29, 2020
CVE-2020-15069
Sophos XG Firewall Buffer Overflow Vulnerability
In wildKEV
9.8
CVSS
10.7%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)10.7% · higher than 96% of CVEs
Exploited in the wildYes
CISA KEVListed Feb 6, 2025
Federal remediation dueFeb 27, 2025
Ransomware campaign useNot known
Affected products
Which versions
XF
XG Firewall Firmware · Sophos
17.0 before 17.5; 17.5; 17.5; 17.5; 17.5; 17.5; +7 more · source: NVD
XF
XG Firewall · Sophos
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15069
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15069
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_CONFIRM
https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal
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