CVE-2020-5421

high-risk
Published 2020-09-19

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.

Do I need to act?

!
63.8% chance of exploitation in next 30 days
EPSS score — higher than 36% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / HIGH complexity

Affected Vendors

References (48)

and 28 more references
67
/ 100
high-risk
Severity 20/34 · Moderate
Exploitability 19/34 · Moderate
Exposure 28/34 · Critical