onyx

onyx --cves cve-2020-1147

CVE-2020-1147

N/AKEV.NET
score
<0.1
cvss
—
epss
94.0%
published
—
kev added
2021-11-03
first seen

Microsoft .NET Framework, Microsoft SharePoint, and Visual Studio contain a remote code execution vulnerability when the software fails to check the source markup of XML file input. Successful exploitation allows an attacker to execute code in the context of the process responsible for deserialization of the XML content.

Timeline

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

events2021-11-03 — Added to CISA KEVK2026-10-21 (seen by) — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 94.0%2026-09-23: epss 94.0%2026-09-24: epss 94.0%2026-09-25: epss 94.0%2026-09-26: epss 94.0%2026-09-27: epss 94.0%2026-09-28: epss 94.0%2026-09-29: epss 94.0%2026-09-30: epss 94.0%2026-10-01: epss 94.0%2026-10-02: epss 94.0%2026-10-03: epss 94.0%2026-10-04: epss 94.0%2026-10-05: epss 94.0%2026-10-06: epss 94.0%2026-10-07: epss 94.0%2026-10-08: epss 94.0%2026-10-09: epss 94.0%2026-10-10: epss 94.0%2026-10-11: epss 94.0%2026-10-12: epss 94.0%2026-10-13: epss 94.0%2026-10-14: epss 94.0%2026-10-15: epss 94.0%2026-10-16: epss 94.0%2026-10-18: epss 94.0%2026-10-19: epss 94.0%2026-10-20: epss 94.0%2026-10-21: epss 94.0%94.0%mentions/day0no mentions in 30 days2026-09-22today
  1. Added to CISA KEV
  2. Tracked by Onyx

References 1