4.3

CVE-2021-1803: apple macos

CVSS: 4.3v2.0MediumModified
Published 02-04-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-1803 is a medium (CVSS 4.3) vulnerability in apple macos. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 46.7% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
0.58%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-04-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

The issue was addressed with improved permissions logic. This issue is fixed in macOS Big Sur 11.0.1. A local application may be able to enumerate the user's iCloud documents.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.58%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

0.00 pp

From 0.58% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.58%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Apple1 product
  • macos≥ unspecified, < 11.0 | < 11.0.1

1 vendor · 1 product

References

1 links