CVE-2021-31008
HIGHCVSS 8.8/10EPSS 1.29%
Last modified
CVE-2021-31008 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 15.1, tvOS 15.1, iOS 15 and iPadOS 15, macOS Monterey 12.0.1, watchOS 8.1. EPSS estimates a 1.29% chance of exploitation in the next 30 days.
Description
A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 15.1, tvOS 15.1, iOS 15 and iPadOS 15, macOS Monterey 12.0.1, watchOS 8.1. Processing maliciously crafted web content may lead to code execution.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 15.1 |
| Apple | Ipados | < 15.0 |
| Apple | Iphone Os | < 15.0 |
| Apple | Macos | 12.0.0 |
| Apple | Tvos | < 15.1 |
| Apple | Watchos | < 8.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-31008?
A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 15.1, tvOS 15.1, iOS 15 and iPadOS 15, macOS Monterey 12.0.1, watchOS 8.1. Processing maliciously crafted web content may lead to code execution.
How severe is CVE-2021-31008?
CVE-2021-31008 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.29% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31008?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-31002An out-of-bounds read was addressed with improved input vali…7.8
- CVE-2021-31003Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-31004A race condition was addressed with improved locking. This i…7
- CVE-2021-31005Description: A logic issue was addressed with improved state…7.5
- CVE-2021-31006Description: A permissions issue was addressed with improved…5.5
- CVE-2021-31007Description: A permissions issue was addressed with improved…5.5
- CVE-2021-31009Multiple issues were addressed by removing HDF5. This issue …9.8
- CVE-2021-3101Hotdog, prior to v1.0.1, did not mimic the capabilities or t…8.8
- CVE-2021-31010A deserialization issue was addressed through improved valid…7.5
- CVE-2021-31011Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-31012Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-31013An out-of-bounds read was addressed with improved bounds che…5.5
Are you affected by CVE-2021-31008?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
