All Vulnerability Reports

CVE-2020-5421: RFD Protection Bypass via jsessionid


Severity

High

Vendor

Spring by VMware

Description

In Spring Framework versions 5.2.0 - 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.

Affected VMware Products and Versions

Severity is high unless otherwise noted.

  • Spring Framework
    • 5.2.0 to 5.2.8
    • 5.1.0 to 5.1.17
    • 5.0.0 to 5.0.18
    • 4.3.0 to 4.3.28
    • Older, unsupported versions

Mitigation

Users of affected versions should apply the following mitigation or upgrade. Releases that have fixed this issue include:

  • Spring Framework
    • 5.2.9
    • 5.1.18
    • 5.0.19
    • 4.3.29

Credit

This issue was identified and responsibly reported by Keitaro Yamazaki / Ierae Security.

References

History

2020-09-17: Initial vulnerability report published.