CVE-2021-43220
Microsoft Edge for iOS Spoofing Vulnerability
3.1 Low
Microsoft Edge for iOS Spoofing Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
1.34%Up 0.9 points since Nov 24, 2021
What each source reports
CVE List Score used
Microsoft Edge for iOS Spoofing Vulnerability
Microsoft Edge for iOS Spoofing Vulnerability
- Record
CVE-2021-43220- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-30164
Microsoft Edge for iOS Spoofing Vulnerability
- Record
EUVD-2021-30164- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-jf2c-v9v9-9r3w
Microsoft Edge for iOS Spoofing Vulnerability
Microsoft Edge for iOS Spoofing Vulnerability
- Record
GHSA-jf2c-v9v9-9r3w- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-290
- Updated
- 2026-11-02
NVD
Microsoft Edge for iOS Spoofing Vulnerability
- Record
CVE-2021-43220- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-290
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-43220 is a low vulnerability (CVSS 3.1) in Microsoft Edge For Ios, published November 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.34%, the 71st percentile. No source names a fixed version.