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CVE-2020-3840
An off by one issue existed in the handling of racoon configuration files. This issue was addressed through improved bounds checking. This…
High7.8EPSS 1.1%
- Published
- Updated
- Reserved
- Assigned by
- apple
Description
An off by one issue existed in the handling of racoon configuration files. This issue was addressed through improved bounds checking. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1. Loading a maliciously crafted racoon configuration file may lead to arbitrary code execution.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.1% · top 33% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
- Loading a maliciously crafted racoon configuration file may lead to arbitrary code execution
- CWE-119 (opens in a new tab)All about CWE-119 and its CVEs
- CWE-193 (opens in a new tab)All about CWE-193 and its CVEs
Affected products
References (3)
- https://support.apple.com/HT210919 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT210918 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT210920 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-3840)Record last updated .