MEDIUMCVSS v3.1 4.3Actively exploited · CISA KEV since 2021-11-03Vulnerability
CVE-2020-9819
Apple iOS, iPadOS, and watchOS Mail contains a memory corruption vulnerability that may allow heap corruption when processing a maliciously crafted mail message.
Properties
- Euvd product
- watchOS, IOS, iOS-1, watchOS-1
- Vulnerability name
- Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability
- First seen
- 2025-12-20T04:55:57+00:00
- Cvss score
- 4.3
- Epss score
- 0.02178
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2022-05-03
- Euvd assigner
- apple
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2021-11-03T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2021-11-03
- Score
- 4.3
- Euvd base score version
- 3.1
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- Apple, Cisco
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 4.3
Related Entities (6)
AFFECTS_PRODUCT (3)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
Explore deeper with Ninja Signal's threat intelligence graph