What is CVE-2022-0921?

CVE-2022-0921 is a medium-severity vulnerability in Microweber, classified under Code Injection. CVSS score: 6.7/10. Published 2022-03-11.

How severe is CVE-2022-0921?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Is CVE-2022-0921 known to be exploited?

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

RCE in Microweber

CVE-2022-0921

Abusing Backup/Restore feature to achieve Remote Code Execution in GitHub repository microweber/microweber prior to 1.2.12.

Vulnerability class: RCE (Remote Code Execution)

Published 2022-03-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.022 (81.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

Microweber
Microweber Microweber/microweber — versions unspecified

Weakness classification (CWE)

Public proof-of-concept exploits

References

huntr.dev/bounties/e368be37-1cb4-4292-8d48-07132725f622 (Exploit, Third Party Advisory)
github.com/microweber/microweber/commit/867bdda1b4660b0795ad7f87ab5abe9e44b2b318 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0921?: CVE-2022-0921 is a medium-severity vulnerability in Microweber, classified under Code Injection. CVSS score: 6.7/10. Published 2022-03-11.
How severe is CVE-2022-0921?: Medium severity. CVSS v3 base score is 6.7 out of 10.
Is CVE-2022-0921 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.