CVE-2020-12271
CRITICAL KEV RANSOMWARESophos SFOS 17.0, 17.1, 17.5, and 18.0 - SQL Injection
Title source: llmExploitation Summary
CVE-2020-12271 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added November 3, 2021, with confirmed use in ransomware campaigns.
Description
A SQL injection issue was found in SFOS 17.0, 17.1, 17.5, and 18.0 before 2020-04-25 on Sophos XG Firewall devices, as exploited in the wild in April 2020. This affected devices configured with either the administration (HTTPS) service or the User Portal exposed on the WAN zone. A successful attack may have caused remote code execution that exfiltrated usernames and hashed passwords for the local device admin(s), portal admins, and user accounts used for remote access (but not external Active Directory or LDAP passwords)
References (4)
Core 4
Core References
Third Party Advisory x_refsource_misc
https://cwe.mitre.org/data/definitions/89.html
Vendor Advisory x_refsource_misc
https://community.sophos.com/kb/en-us/135412
Exploit, Vendor Advisory x_refsource_misc
https://news.sophos.com/en-us/2020/04/26/asnarok/
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-12271
Scores
CVSS v3
9.8
EPSS
0.8665
EPSS Percentile
99.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
yes
Technical Impact
total
Details
CISA KEV
2021-11-03
VulnCheck KEV
2020-04-22
InTheWild.io
2020-04-22
ENISA EUVD
EUVD-2020-4584
Ransomware Use
Confirmed
CWE
CWE-89
Status
published
Products (4)
sophos/sfos
17.0
sophos/sfos
17.1
sophos/sfos
17.5
sophos/sfos
18.0
Published
Apr 27, 2020
KEV Added
Nov 03, 2021
Tracked Since
Feb 18, 2026