CVE-2021-31010
Last modified
CVE-2021-31010 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A deserialization issue was addressed through improved validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 12.5.5, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. CISA has confirmed active exploitation in the wild. EPSS estimates a 3.67% chance of exploitation in the next 30 days.
Description
A deserialization issue was addressed through improved validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 12.5.5, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. A sandboxed process may be able to circumvent sandbox restrictions. Apple was aware of a report that this issue may have been actively exploited at the time of release..
Metrics
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.8 |
| Apple | Iphone Os | >= 12.0, < 12.5.5 |
| Apple | Iphone Os | >= 14.0, < 14.8 |
| Apple | Mac Os X | >= 10.15, < 10.15.7 |
| Apple | Mac Os X | 10.15.7 |
| Apple | Macos | >= 11.0, < 11.6 |
| Apple | Watchos | < 7.6.2 |
References
- https://support.apple.com/en-us/HT212804Vendor Advisory
- https://support.apple.com/en-us/HT212805Vendor Advisory
- https://support.apple.com/en-us/HT212806Vendor Advisory
- https://support.apple.com/en-us/HT212807Vendor Advisory
- https://support.apple.com/en-us/HT212824Vendor Advisory
- https://support.apple.com/en-us/HT212804Vendor Advisory
- https://support.apple.com/en-us/HT212805Vendor Advisory
- https://support.apple.com/en-us/HT212806Vendor Advisory
- https://support.apple.com/en-us/HT212807Vendor Advisory
- https://support.apple.com/en-us/HT212824Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31010US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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