VDB
CVE-2021-1855
CVE-2021-1855
PUBLISHED
CVSS 6.5 MEDIUM
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to force unnecessary network connections to fetch its favicon.
EPSS 0.23% · 45.9th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS Score
0.23%
45.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | macOS | unspecified |
| apple | macos | 11.0 |
Exploit Intelligence
Timeline
- Apr 27, 2021 CVE Published
- Sep 9, 2021 EPSS Score
- Nov 6, 2021 EPSS Score
- Jan 2, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- Apr 28, 2022 EPSS Score
- Jun 24, 2022 EPSS Score
- Aug 22, 2022 EPSS Score
- Oct 19, 2022 EPSS Score
- Dec 16, 2022 EPSS Score
- Feb 11, 2023 EPSS Score
References
- https://support.apple.com/fr-fr/HT212325 advisory
- https://support.apple.com/fr-fr/HT212327 advisory
- https://support.apple.com/fr-fr/HT212317 advisory
- https://support.apple.com/fr-fr/HT212318 advisory
- https://support.apple.com/fr-fr/HT212324 advisory
- https://support.apple.com/fr-fr/HT212326 advisory
- https://support.apple.com/fr-fr/HT212319 advisory
- https://support.apple.com/fr-fr/HT212323 advisory
- https://support.apple.com/fr-fr/HT212320 advisory
- https://support.apple.com/fr-fr/HT212321 advisory
- https://support.apple.com/en-us/HT212325 url
- https://nvd.nist.gov/vuln/detail/CVE-2021-1855 advisory