VulnerabilityModified
CVE-2021-30844
A remote attacker may be able to leak memory.
HIGH 7.5EPSS 1.80%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.80% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-401
- Affected
- apple/mac os x · apple/macos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/HT212804Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212805Release Notes, Vendor Advisory
- https://support.apple.com/kb/HT212871Vendor Advisory
- https://support.apple.com/kb/HT212872Vendor Advisory
- https://support.apple.com/en-us/HT212804Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212805Release Notes, Vendor Advisory
- https://support.apple.com/kb/HT212871Vendor Advisory
- https://support.apple.com/kb/HT212872Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.