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onyx --cves cve-2020-5397

CVE-2020-5397

MEDPOCADV 1Spring Framework
score
4.4
cvss
5.3
epss
2.6%
published
2020-01-17
kev added
—
first seen

Spring Framework 5.2.x prior to 5.2.3 contains a CSRF vulnerability via CORS preflight requests targeting spring-webmvc or spring-webflux endpoints, affecting only non-authenticated endpoints, with an exception for Chrome browsers using client certificates, exploit requires sending CORS preflight requests.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2020-01-17 — PublishedP2026-10-16 — First advisory — CERT-FR (avis): Multiples vulnérabilités dans les produits IBM (16 octobre 2026)A2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score 4.44.4epss2026-09-22: epss 2.4%2026-09-23: epss 2.4%2026-09-24: epss 2.4%2026-09-25: epss 2.4%2026-09-26: epss 2.4%2026-09-27: epss 2.4%2026-09-28: epss 2.4%2026-09-29: epss 2.4%2026-09-30: epss 2.4%2026-10-01: epss 2.4%2026-10-02: epss 2.4%2026-10-03: epss 2.4%2026-10-04: epss 2.4%2026-10-05: epss 2.4%2026-10-06: epss 2.4%2026-10-07: epss 2.4%2026-10-08: epss 2.4%2026-10-09: epss 2.4%2026-10-10: epss 2.4%2026-10-11: epss 2.4%2026-10-12: epss 2.4%2026-10-13: epss 2.4%2026-10-14: epss 2.4%2026-10-15: epss 2.6%2026-10-16: epss 2.6%2026-10-18: epss 2.6%2026-10-19: epss 2.6%2026-10-20: epss 2.6%2026-10-21: epss 2.6%2.6%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. First advisory — CERT-FR (avis) Multiples vulnérabilités dans les produits IBM (16 octobre 2026)
  3. Tracked by Onyx
  4. Public PoC

Advisories

1 feed this week

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

CWE-352

References 7