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CVE-2020-9920
A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6,…
Critical9.1EPSS 1.9%
- Published
- Updated
- Reserved
- Assigned by
- apple
Description
A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A malicious mail server may overwrite arbitrary mail files.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.9% · top 21% 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: Critical 9.1.
Weakness
- A malicious mail server may overwrite arbitrary mail files
- CWE-22 (opens in a new tab)All about CWE-22 and its CVEs
Affected products
References (3)
- https://support.apple.com/kb/HT211289 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/kb/HT211288 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/kb/HT211291 (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-2020-9920)Record last updated .