What is CVE-2021-42643?

CVE-2021-42643 is a high-severity vulnerability in Cmseasy, classified under Path Traversal. CVSS score: 8.8/10. Published 2022-05-17.

How severe is CVE-2021-42643?

High severity. CVSS v3 base score is 8.8 out of 10.

Path Traversal in Cmseasy

CVE-2021-42643

cmseasy V7.7.5_20211012 is affected by an arbitrary file write vulnerability. Through this vulnerability, a PHP script file is written to the website server, and accessing this file can lead to a code execution vulnerability.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.016 (73.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cmseasy — versions 7.7.5_20211012
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-42643?: CVE-2021-42643 is a high-severity vulnerability in Cmseasy, classified under Path Traversal. CVSS score: 8.8/10. Published 2022-05-17.
How severe is CVE-2021-42643?: High severity. CVSS v3 base score is 8.8 out of 10.