CVE-2021-1854

low-risk
Published 2021-09-08

A call termination issue with was addressed with improved logic. This issue is fixed in iOS 14.5 and iPadOS 14.5. A legacy cellular network can automatically answer an incoming call when an ongoing call ends or drops. .

Do I need to act?

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0.21% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Apple

References (2)

Vendor Advisory https://support.apple.com/en-us/HT212317
Vendor Advisory https://support.apple.com/en-us/HT212317
26
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 7/34 · Low