What is CVE-2021-45790?

CVE-2021-45790 is a critical-severity vulnerability in Metersphere, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-09-29.

How severe is CVE-2021-45790?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-45790 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Metersphere

CVE-2021-45790

An arbitrary file upload vulnerability was found in Metersphere v1.15.4. Unauthenticated users can upload any file to arbitrary directory, where attackers can write a cron job to execute commands.

Vulnerability class: Unrestricted File Upload

EPSS: 0.019 (77.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Metersphere — versions 1.15.4
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2021-45790?: CVE-2021-45790 is a critical-severity vulnerability in Metersphere, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-09-29.
How severe is CVE-2021-45790?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-45790 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.