Vulnerability · Published Oct 28, 2021 · Assigned by apple
CVE-2021-30823
Medium 6.5
In plain English
A medium-severity security flaw in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)2.2%top 17.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 14.8 and iPadOS 14.8, tvOS 15, Safari 15, watchOS 8. An attacker in a privileged network position may be able to bypass HSTS.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | webkit2gtk3 | 2.34.6-1.el8 | ALSA-2022:1777 |
| AlmaLinux:8 | webkit2gtk3-devel | 2.34.6-1.el8 | ALSA-2022:1777 |
| AlmaLinux:8 | webkit2gtk3-jsc | 2.34.6-1.el8 | ALSA-2022:1777 |
| AlmaLinux:8 | webkit2gtk3-jsc-devel | 2.34.6-1.el8 | ALSA-2022:1777 |
| Alpine:v3.20 | webkit2gtk | 2.34.0-r0 | ALPINE-CVE-2021-30823 |
| Debian:12 | webkit2gtk | 2.34.1-1 | DEBIAN-CVE-2021-30823 |
| Debian:13 | webkit2gtk | 2.34.1-1 | DEBIAN-CVE-2021-30823 |
| Debian:14 | webkit2gtk | 2.34.1-1 | DEBIAN-CVE-2021-30823 |
| Debian:12 | wpewebkit | 2.34.1-1 | DEBIAN-CVE-2021-30823 |
| Debian:13 | wpewebkit | 2.34.1-1 | DEBIAN-CVE-2021-30823 |
| Debian:14 | wpewebkit | 2.34.1-1 | DEBIAN-CVE-2021-30823 |
| Rocky Linux:8 | webkit2gtk3 | 0:2.34.6-1.el8 | RLSA-2022:1777 |
| Ubuntu:22.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2021-30823 |
| Ubuntu:24.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2021-30823 |
| Ubuntu:22.04:LTS | webkit2gtk | 2.34.0-1ubuntu1 | UBUNTU-CVE-2021-30823 |
| Ubuntu:22.04:LTS | wpewebkit | no fix listed | UBUNTU-CVE-2021-30823 |
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212807 x_refsource_MISC
- https://support.apple.com/en-us/HT212819 x_refsource_MISC
- https://support.apple.com/en-us/HT212815 x_refsource_MISC
- https://support.apple.com/en-us/HT212816 x_refsource_MISC
- https://support.apple.com/en-us/HT212869 x_refsource_MISC
- https://support.apple.com/kb/HT212953 x_refsource_CONFIRM
- [oss-security] 20211220 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0007 mailing-list, x_refsource_MLIST