What is CVE-2020-12271?

CVE-2020-12271 is a critical-severity vulnerability in N/a. CVSS score: 10.0/10. Published 2020-04-27.

How severe is CVE-2020-12271?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2020-12271 known to be exploited?

Yes. CVE-2020-12271 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 8 public proof-of-concept repositories are indexed.

Vulnerability in N/a

CVE-2020-12271

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…

EPSS: 0.866 (99.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N.

Affected products

N/a — versions n/a

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2021-11-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-05-03.

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

cwe.mitre.org/data/definitions/89.html (x_refsource_MISC)
community.sophos.com/kb/en-us/135412 (x_refsource_MISC)
news.sophos.com/en-us/2020/04/26/asnarok/ (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-12271?: CVE-2020-12271 is a critical-severity vulnerability in N/a. CVSS score: 10.0/10. Published 2020-04-27.
How severe is CVE-2020-12271?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2020-12271 known to be exploited?: Yes. CVE-2020-12271 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 8 public proof-of-concept repositories are indexed.