PoC Index

CVE-2021-30860

KEVHIGH 7.8EPSS 76.0%

An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS v3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0
6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS
75.99% chance of exploitation in the next 30 days, 99th percentile
CISA KEV
added 2021-11-03
Published
2021-08-24
Updated
2025-10-21

Proof-of-concept exploits (3)

References

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