VulnerabilityModified
CVE-2021-40219
Bolt CMS <= 4.2 is vulnerable to Remote Code Execution.
HIGH 8.8EPSS 3.43%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.43% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- bolt/bolt cms
- Source
- cve@mitre.org
References
- https://github.com/bolt/coreThird Party Advisory
- https://github.com/bolt/core/blob/3b21a73ebf519b76756d3ad2841312d10ef11461/src/Controller/Frontend/TemplateController.phpExploit, Third Party Advisory
- https://github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-40219Exploit, Third Party Advisory
- https://github.com/bolt/coreThird Party Advisory
- https://github.com/bolt/core/blob/3b21a73ebf519b76756d3ad2841312d10ef11461/src/Controller/Frontend/TemplateController.phpExploit, Third Party Advisory
- https://github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-40219Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.