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No exploitation reportedFix available

CVE-2020-10001

No exploitation reported by the sources we read.

  • Published2021-04-02
  • Fixed in11.1.0
  • WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An input validation issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A malicious application may be able to read restricted memory.

Timeline

dates in UTC
  1. 2021-04-0218:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-25 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-10001?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-10001?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Apple mac os x
BranchAffectedFixed in
11.1< 11.1.011.1.0
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • cupsAlmaLinux:8all versions · fixed in 1:2.2.6-40.el8and 5 other packages

Full record on NVD

Fix

  1. Update Apple mac os x to 11.1.0

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.15.5read 2026-10-23
  • NVDCVSS 2.04.3read 2026-10-23
  • NVDweakness (CWE)CWE-20read 2026-10-23
  • FIRST EPSSEPSS score1.0 %2026-10-24
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Published
2021-04-02
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-10001?

An input validation issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A malicious application may be able to read restricted memory.

Is CVE-2020-10001 actively exploited?

Active exploitation of CVE-2020-10001 has not been confirmed. Its EPSS score was 1.0% on 2026-10-24, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-10001?

CVE-2020-10001 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

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