Known exploited vulnerability
CVE-2021-31010
The short answer
CVE-2021-31010 affects Apple macOS and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-08-25: attackers are using it, so patch it first.
What it is
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..
Weakness: CWE-502.
Severity
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploited (CISA KEV)
Yes, since Aug 25, 2022
Federal due date Sep 15, 2022
EPSS, next 30 days
3.7%
Higher than 90% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- High
- Availability impact
- None
What CISA says to do
Apply updates per vendor instructions.
Affected products
macOS, watchOS. NVD's record lists the exact affected versions.
References
- support.apple.com/en-us/HT212804 Vendor Advisory
- support.apple.com/en-us/HT212805 Vendor Advisory
- support.apple.com/en-us/HT212806 Vendor Advisory
- support.apple.com/en-us/HT212807 Vendor Advisory
- support.apple.com/en-us/HT212824 Vendor Advisory
- support.apple.com/en-us/HT212804 Vendor Advisory
- support.apple.com/en-us/HT212805 Vendor Advisory
- support.apple.com/en-us/HT212806 Vendor Advisory
- support.apple.com/en-us/HT212807 Vendor Advisory
- support.apple.com/en-us/HT212824 Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31010 US Government Resource
Questions
Is CVE-2021-31010 being exploited?
Yes. CISA added CVE-2021-31010 to its Known Exploited Vulnerabilities catalog on 2022-08-25, with a federal remediation due date of 2022-09-15.
How do I fix CVE-2021-31010?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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