CVE-2021-23258

Spring SPEL Expression Language Injection

HIGH

7.2

CVSS Score

Published: December 2, 2021 at 03:40 PM UTC

Updated: June 17, 2026 at 03:38 AM UTC

1 product affected across 1 vendorCraftercms

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Severity

HIGH7.2

Exploit prediction

EPSS 0.7%

Description

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).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Craftercms · Craftercms

95%

3.1 ≤ v < 3.1.123.1

Affected range stops below 3.1.12, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120101

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120101

CVSS

7.2HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-913

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