CVE-2021-30860

HIGH

7.8

CVSS Score

Published: August 24, 2021 at 06:49 PM UTC

Updated: June 17, 2026 at 03:51 AM UTC

6 products affected across 3 vendorsmacOSiPhone OSiPadOS

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Severity

HIGH7.8

Exploitation

CISA KEV

Exploit prediction

EPSS 76%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score76.0%

EPSS (Exploit Prediction Scoring System) estimates a 76.0% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Apple iOS, iPadOS, macOS, and watchOS CoreGraphics contain an integer overflow vulnerability which may allow code execution when processing a maliciously crafted PDF. The vulnerability is also known under the moniker of FORCEDENTRY.

Required Action

Apply updates per vendor instructions.

Ransomware Use

Unknown

Added to KEV

Nov 3, 2021

Remediation Due

Nov 17, 2021

1809 days overdue

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-30860

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iPadOS · Apple

95%

v < 14.8

Affected range stops below 14.8, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 12.5.5v < 14.813.0 ≤ v < 14.8

Affected range stops below 12.5.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.8, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 11.6v < 2021-00510.15 ≤ v < 10.15.710.15.7 10.15.7 security_update_2020 10.15.7 security_update_2020-001 10.15.7 security_update_2021-001 10.15.7 security_update_2021-002 10.15.7 security_update_2021-003 10.15.7 security_update_2021-004

Affected range stops below 10.15.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 11.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 2021-005, so it looks safe — our inference, not a vendor statement

watchOS · Apple

95%

v < 7.6v < 7.6.2

Affected range stops below 7.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.6.2, so it looks safe — our inference, not a vendor statement

Poppler · Freedesktop

95%

v < 22.09.0

Affected range stops below 22.09.0, so it looks safe — our inference, not a vendor statement

Xpdf · Xpdfreader

95%

v < 4.04

Affected range stops below 4.04, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references