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VulnerabilityCVE-2020-9771Published 2020-10-22

CVE-2020-9771 — Apple macOS

Public exploit1 PoC repo

As of 2024-08-04, CVE-2020-9771 is a vulnerability in Apple macOS, EPSS 0.3% (29.2th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2020-9771, most recently “AmnesiaStealer: macOS Infostealer Hijacks Live Browser Sessions via Chrome DevTools Protocol Remote Control”.

CVSS
—Not yet scored
EPSS
0.3%Higher than 29.2% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
1Campaigns referencing it
Priority
3.2/10Threadlinqs triage score
Published
Updated 2024-08-04
EPSS 0.3% (higher than 29.2% of all scored CVEs) · Priority 3.2/10 · Published 2020-10-22

Last updated:

What is CVE-2020-9771?

This issue was addressed with a new entitlement. This issue is fixed in macOS Catalina 10.15.4. A user may gain access to protected parts of the file system.

1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 2192 days ago.

Severity and exploitation probability

EPSS (FIRST)
0.3% probability of exploitation in the next 30 days, higher than 29.2% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
3.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2020-10-22, last modified 2024-08-04

Is CVE-2020-9771 being exploited?

Weaponised exploit code for CVE-2020-9771 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 20 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2020-9771

No vendor patch reference has been recorded for CVE-2020-9771 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2020-9771

1 tracked threat in the Threadlinqs corpus references CVE-2020-9771, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, FIRST EPSS, public proof-of-concept repositories. Last verified by Threadlinqs on .

Other references