CVE-2021-42840

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

58.95% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. 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

2021-10-22 18:20Z4 YR AGO

Last updated

2024-08-04 03:38Z2 YR AGO

Reserved

2021-10-22

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-434Unrestricted Upload of File with Dangerous TypeBase

Data version

5.1

Document digest

81def63faceb8937cc873d518dbe013618c3b742d4428a295e711f194bc6af52

• docs.suitecrm.comhttps://docs.suitecrm.com/admin/releases/7.11.x/#_7_11_19x_refsource_MISC
• github.comhttps://github.com/rapid7/metasploit-framework/commits/master/modules/exploits/linux/http/suitecrm_log_file_rce.rbx_refsource_MISC
• suitecrm.comhttps://suitecrm.com/time-to-upgrade-suitecrm-7-11-19-7-10-30-lts-released/x_refsource_MISC
• theyhack.mehttps://theyhack.me/SuiteCRM-RCE-2/x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/165001/SuiteCRM-7.11.18-Remote-Code-Execution.htmlx_refsource_MISC