CVEs / CVE-2021-30860
CVE-2021-30860: Apple Multiple Products Integer Overflow Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- high 7.8 CVSS 3.1 (NVD)
- EPSS 75.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Apple macOS | from unspecified, before 11.6 | 11.6 |
| Apple macOS | from unspecified, before 2021-005 | 2021-005 |
| Apple watchOS | from unspecified, before 7.6 | 7.6 |
| Apple iOS | from unspecified, before 14.8 | 14.8 |
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 17 Nov 2021 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-190 |
References
- CVE-2021-30860 on NVD
- CVE-2021-30860 in the CISA KEV catalog
- CVE-2021-30860 on OSV
- http://seclists.org/fulldisclosure/2021/Sep/25 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/26 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/27 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/28 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/38 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/39 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/40 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Sep/50 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/02/11 Mailing List
- https://security.gentoo.org/glsa/202209-21 Third Party Advisory
- https://support.apple.com/en-us/HT212804 Vendor Advisory
- https://support.apple.com/en-us/HT212805 Vendor Advisory
- https://support.apple.com/en-us/HT212806 Vendor Advisory
- https://support.apple.com/en-us/HT212807 Vendor Advisory
- https://support.apple.com/kb/HT212824 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30860 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.