THREATPORT/VULNERABILITY/CVE-2021-30833
MEDIUM SEVERITY

CVE-2021-30833

Mac Os X vulnerability

CVSS
5.5
EPSS
42.7%
EPSS pct
99th
Exploited
No known
This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. Unpacking a maliciously crafted archive may allow an attacker to write arbitrary files.
Affected vendor
Apple
Affected product
Mac Os X
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Published
2021-10-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 42.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2021-30833

  • Confirm whether Apple Mac Os X is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-30833.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-30833

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-30833 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2021-30833?

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