onyx

onyx --cves cve-2021-29476

CVE-2021-29476

CRITKEVWordPress
score
<0.1
cvss
9.8
epss
2.1%
published
2021-04-27
kev added
2023-08-14
first seen

Requests PHP library versions 1.6.0, 1.6.1, and 1.7.0 contain a deserialization mishandling caused by issues in FilteredIterator, letting attackers execute arbitrary code, exploit requires users to run affected versions.

Timeline

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

events2021-04-27 — PublishedP2023-08-14 — Added to CISA KEVK2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 2.1%2026-09-23: epss 2.1%2026-09-24: epss 2.1%2026-09-25: epss 2.1%2026-09-26: epss 2.1%2026-09-27: epss 2.1%2026-09-28: epss 2.1%2026-09-29: epss 2.1%2026-09-30: epss 2.1%2026-10-01: epss 2.1%2026-10-02: epss 2.1%2026-10-03: epss 2.1%2026-10-04: epss 2.1%2026-10-05: epss 2.1%2026-10-06: epss 2.1%2026-10-07: epss 2.1%2026-10-08: epss 2.1%2026-10-09: epss 2.1%2026-10-10: epss 2.1%2026-10-11: epss 2.1%2026-10-12: epss 2.1%2026-10-13: epss 2.1%2026-10-14: epss 2.1%2026-10-15: epss 2.1%2026-10-16: epss 2.1%2026-10-18: epss 2.1%2026-10-19: epss 2.1%2026-10-20: epss 2.1%2026-10-21: epss 2.1%2.1%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Added to CISA KEV
  3. Tracked by Onyx

Weaknesses

CWE-502

References 3