CVE-2021-40219

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Summary

CVECVE-2021-40219
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-04-11 17:15:08 UTC
Updated2026-07-09 01:17:01 UTC
DescriptionBolt 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.031850000 probability, percentile 0.865750000 (date 2026-07-12)

Problem Types: CWE-94 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary6.5AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:S/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Bolt Bolt Cms All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
CVEs/CVE-2021-40219 at main · iiSiLvEr/CVEs · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Third Party Advisory
core/TemplateController.php at 3b21a73ebf519b76756d3ad2841312d10ef11461 · bolt/core · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Third Party Advisory
GitHub - bolt/core: ???? Bolt 5 core af854a3a-2127-422b-91ae-364da2661108 github.com Third Party Advisory
Home MITRE boltcms.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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