CVE-2021-30837
HIGHCVSS 7.8/10EPSS 1.64%
Last modified
CVE-2021-30837 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8, tvOS 15. EPSS estimates a 1.64% chance of exploitation in the next 30 days.
Description
A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8, tvOS 15. An application may be able to execute arbitrary code with kernel privileges.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 15.0 |
| Apple | Iphone Os | < 15.0 |
| Apple | Tvos | < 15.0 |
References
- http://seclists.org/fulldisclosure/2021/Oct/61Mailing List, Release Notes, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Oct/62Mailing List, Release Notes, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Oct/63Mailing List, Release Notes, Third Party Advisory
- https://support.apple.com/en-us/HT212814Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212815Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212819Release Notes, Vendor Advisory
- http://seclists.org/fulldisclosure/2021/Oct/61Mailing List, Release Notes, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Oct/62Mailing List, Release Notes, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Oct/63Mailing List, Release Notes, Third Party Advisory
- https://support.apple.com/en-us/HT212814Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212815Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212819Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30837?
A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8, tvOS 15. An application may be able to execute arbitrary code with kernel privileges.
How severe is CVE-2021-30837?
CVE-2021-30837 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30837?
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.
Are you affected by CVE-2021-30837?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST