RCE in Bolt Cms

CVE-2021-40219

Bolt CMS <= 4.2 is vulnerable to Remote Code Execution. Unsafe theme rendering allows an authenticated attacker to edit theme to inject server-side template injection that leads to remote code execution.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.032 (86.8th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-40219?
CVE-2021-40219 is a high-severity vulnerability in Bolt Cms, classified under Code Injection. CVSS score: 8.8/10. Published 2022-04-11.
How severe is CVE-2021-40219?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-40219 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.