Vulnerability in Craftercms Crafter Cms

CVE-2021-23258

Authenticated users with Administrator or Developer roles may execute OS commands by SPEL Expression in Spring beans. SPEL Expression does not have security restrictions, which will cause attackers to execute arbitrary commands remotely (RCE).

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-23258: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-23258?
CVE-2021-23258 is a medium-severity vulnerability in Craftercms Crafter Cms, classified under Improper Control of Dynamically-Managed Code Resources. CVSS score: 4.2/10. Published 2021-12-02.
How severe is CVE-2021-23258?
Medium severity. CVSS v3 base score is 4.2 out of 10.
Is CVE-2021-23258 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.