CVE-2021-1855
published 2021-09-08CVE-2021-1855: 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…
PriorityP432medium6.5CVSS 3.1
AVNACLPRNUINSUCLILAN
EPSS
0.79%
52.0th percentile
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.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | macos | >= 11.0 < 11.3 | 11.3 |
| apple | macos | >= unspecified < 11.3 | 11.3 |
| apple | macos_big_sur | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
nvdv2.06.4MEDIUMAV:N/AC:L/Au:N/C:P/I:P/A:N
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GHSA
GHSA-x2pr-2f5w-h2hj: A logic issue was addressed with improved state management
ghsa_unreviewed·2022-05-24
CVE-2021-1855 [MEDIUM] GHSA-x2pr-2f5w-h2hj: A logic issue was addressed with improved state management
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.
Apple
CVE-2021-1855: macOS Big Sur 11.3
vendor_apple·2021-04-26·CVSS 6.5
CVE-2021-1855 [MEDIUM] CVE-2021-1855: macOS Big Sur 11.3
Apple Security Update: About the security content of macOS Big Sur 11.3
Product: macOS Big Sur
Version: 11.3
CVE: CVE-2021-1855
Component: Safari
Impact: A malicious website may be able to force unnecessary network connections to fetch its favicon
Description: A logic issue was addressed with improved state management.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-09-08
Published