CVE-2021-43220
Low
No strong exploitation signal.
CVSS base
3.1
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS — probability of exploitation (30 days)
1.3%
69.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-290
Published 2021-11-24 · modified 2026-08-19
CVSS breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
| Attack Vector | N | Network |
| Attack Complexity | H | High |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | L | Low |
| Availability | N | None |
Timeline
- 2021-11-24 — Published (NVD)
- 2026-08-19 — Last modified (NVD)
Description
Microsoft Edge for iOS Spoofing Vulnerability