CVE-2020-12271

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2021-11-03. Federal remediation due 2022-05-03. Known ransomware campaign use: reported by CISA.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

42.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.5% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-04-27 04:00Z6 YR AGO

Last updated

2025-10-21 23:35Z1 YR AGO

Reserved

2020-04-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 10.0)

CNA CVSS vector

CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N

Weaknesses

• CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')Base

Data version

5.1

Document digest

bf21d62bc979408ae82431456b82f8a82442fd20e3ca3f89d43572fe22e069bc

• cwe.mitre.orghttps://cwe.mitre.org/data/definitions/89.htmlx_refsource_MISC
• community.sophos.comhttps://community.sophos.com/kb/en-us/135412x_refsource_MISC
• news.sophos.comhttps://news.sophos.com/en-us/2020/04/26/asnarok/x_refsource_MISC
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-12271government-resource