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Server-Side Template Injection

High severity GitHub Reviewed Published Dec 22, 2020 in browserup/browserup-proxy • Updated Feb 1, 2023

Package

maven com.browserup:browserup-proxy (Maven)

Affected versions

< 2.1.2

Patched versions

2.1.2

Description

Impact

A Server-Side Template Injection was identified in BrowserUp Proxy enabling attackers to inject arbitrary Java EL expressions, leading to unauthenticated Remote Code Execution (RCE) vulnerability. This has been assigned CVE-2020-26282.

Patches

Effective Immediately, all users should upgrade to version 2.1.2 or higher.

Workarounds

None.

References

https://securitylab.github.com/research/bean-validation-RCE

For more information

If you have any questions or comments about this advisory:

References

@ericbeland ericbeland published to browserup/browserup-proxy Dec 22, 2020
Reviewed Dec 24, 2020
Published to the GitHub Advisory Database Dec 24, 2020
Published by the National Vulnerability Database Dec 24, 2020
Last updated Feb 1, 2023

Severity

High

EPSS score

6.209%
(94th percentile)

Weaknesses

CVE ID

CVE-2020-26282

GHSA ID

GHSA-wmfg-55f9-j8hq

Source code

No known source code

Credits

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