HOMEVULNERABILITIESCVE-2021-23267
HIGH

CVE-2021-23267

CWE-913Published: May 16, 2022· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Improper Control of Dynamically-Managed Code Resources vulnerability in Crafter Studio of Crafter CMS allows authenticated developers to execute OS commands via FreeMarker static methods.

NVD Source

Technical Analysis

CVE-2021-23267 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

craftercms1 product(s)
crafter cms
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://docs.craftercms.org/en/3.1/security/advisory.html#cv-2022051603
ADVISORYhttps://docs.craftercms.org/en/3.1/security/advisory.html#cv-2022051603

All References (2)

→
https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2022051603Vendor Advisory
→
https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2022051603Vendor Advisory

Quick Facts

CVE IDCVE-2021-23267
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-913
CISA KEVNo
Affected1 vendor(s)
PublishedMay 16, 2022

Related CVEs (CWE-913)

CVE-2022-36067
10.0
CVE-2026-47208
10.0
CVE-2023-29199
10.0
CVE-2026-47137
10.0
CVE-2026-47131
10.0
CVE-2026-34156
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-23267 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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