Vulnerability in Apple iOS And Ipados
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT212814 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212819 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212815 (Release Notes, Vendor Advisory)
- seclists.org/fulldisclosure/2021/Oct/62 (mailing-list, Mailing List, Third Party Advisory, Release Notes)
- seclists.org/fulldisclosure/2021/Oct/63 (mailing-list, Mailing List, Third Party Advisory, Release Notes)
- seclists.org/fulldisclosure/2021/Oct/61 (mailing-list, Mailing List, Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2021-30837?
- CVE-2021-30837 is a high-severity vulnerability in Apple iOS And Ipados. CVSS score: 7.8/10. Published 2021-10-19.
- How severe is CVE-2021-30837?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-30837 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.