CVE-2020-5421
MediumPublished
RFD Protection Bypass via jsessionid
- Published
- Sep 19, 2020
- Updated
- Sep 17, 2024
- Assigning CNA
- pivotal
- Evidence observed
- Aug 8, 2026
Primary CVSS
6.5/ 10Medium
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N10.7%
Moderate · next 30 days
- Percentile
- 95.7%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1Spring 安全漏洞 CVE-2020-5421复现
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