CVE-2020-5421

lowpriority · track · 40EPSS 0.116 · 96 %ileexploit · PoCDEEUFRRUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

11.6% (96th) EPSS

CVSS 3.6 · low

Is it mine?

106 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.6–8.7

v2.03.6lowAV:N/AC:H/Au:S/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 4.9

v3.16.5mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:Nprimary · NVD / NIST USexploitability 1.3 · impact 4.7

v3.08.7highCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Nsecondary · ENISA EU

v3.08.7highCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Nsecondary · security@pivotal.ioexploitability 2.3 · impact 5.8

v3.16.2mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N/E:Psecondary · CVSS-BT (t0sche)

v3.16.5mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:Nsecondary · OSV

v3.18.7highAV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269USCWE-35US

exploits (1)

Public proof-of-concept and weaponised exploit code.

pandaMingx/CVE-2020-5421Spring 安全漏洞 CVE-2020-5421复现 PoC · poc_in_github

affected products (106)

Products and version ranges known to be affected.

Oracle Fusion Middleware 12.2.1.4.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:12.2.1.4.0
Oracle Fusion Middleware 14.1.1.0.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:14.1.1.0.0
Oracle Fusion Middleware 8.5.6all versionscert_bundDEcpe:/a:oracle:fusion_middleware:8.5.6
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Spring by VMware Spring Framework4.3 → 4.3.29enisa_euvdEU
Spring by VMware Spring Framework5.0 → 5.0.19enisa_euvdEU
Spring by VMware Spring Framework5.1 → 5.1.18enisa_euvdEU
Spring by VMware Spring Framework5.2 → 5.2.9enisa_euvdEU
Oracle Corp. Fusion Middleware≤ 12.2.1.3.0fstec_bduRU
Oracle Corp. Fusion Middleware≤ 12.2.1.4.0fstec_bduRU
Oracle Corp. Oracle Communications Unified Inventory Management≤ 7.3.4fstec_bduRU
Oracle Corp. Oracle Communications Unified Inventory Management≤ 7.3.5fstec_bduRU
Oracle Corp. Oracle FLEXCUBE Private Banking≤ 12.1.0fstec_bduRU
Oracle Corp. Oracle FLEXCUBE Private Banking≤ 12.0.0fstec_bduRU
Oracle Corp. Oracle Healthcare Master Person Index≤ 4.0.2.5fstec_bduRU
Oracle Corp. Oracle Retail Predictive Application Server≤ 14.1fstec_bduRU
Oracle Corp. Retail Xstore Point of Service≤ 15.0.4fstec_bduRU
Oracle Corp. Retail Xstore Point of Service≤ 18.0.3fstec_bduRU
Oracle Corp. Retail Xstore Point of Service≤ 16.0.6fstec_bduRU
Oracle Corp. Retail Xstore Point of Service≤ 17.0.4fstec_bduRU

showing 20 of 106

advisories (5)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0067Oracle MySQL: Mehrere SchwachstellenDeutsch2021-01-19csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle MySQL ausnutzen, um die Verfügbarkeit, Vertraulichkeit und Integrität zu gefährden.
WID-SEC-W-2024-0123Oracle Fusion Middleware: Mehrere SchwachstellenDeutsch2024-01-16csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Fusion Middleware ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
WID-SEC-W-2024-0528Dell Data Protection Advisor: Mehrere SchwachstellenDeutsch2024-02-29csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell Data Protection Advisor ausnutzen, um beliebigen Code auszuführen, einen Denial-of-Service-Zustand herbeizuführen, Dateien zu manipulieren, vertrauliche Informationen offenzulegen, seine Berechtigungen zu erweitern oder einen nicht spezifizierten Angriff durchzuführen.
GHSA-rv39-3qh7-9v7wImproper Input Validation in Spring Framework2021-04-30ghsa · osvUS
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.
CERTFR-2026-AVI-1336Multiples vulnérabilités dans les produits IBMFrançais2026-10-16vendor · certfrFR

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund osv certfr NVD CVE.org MITRE

published 2020-09-19modified 2026-06-17

references (96)

External citations — patches, advisories, analysis.

scry

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