7.8

CVE-2020-3864: apple icloud Origin Validation Error

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2020-3864DEBIAN-CVE-2020-3864
Published 27-10-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-3864 is a high (CVSS 7.8) Origin Validation Error vulnerability in apple icloud. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33.1% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.40%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 4

Timeline

  1. 27-10-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A logic issue was addressed with improved validation. This issue is fixed in iCloud for Windows 7.17, iTunes 12.10.4 for Windows, iCloud for Windows 10.9.2, tvOS 13.3.1, Safari 13.0.5, iOS 13.3.1 and iPadOS 13.3.1. A DOM object context may not have had a unique security origin.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

33%

Versus all other CVEs

30-day change

0.00 pp

From 0.40% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.40%

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

Affected systems

Apple9 products
Ubuntu4 products
  • qtwebkit-opensource-srcAll versions (No fix recorded)
  • qtwebkit-sourceAll versions (No fix recorded)
  • webkit2gtkAll versions (No fix recorded) | < 2.26.4-0ubuntu0.18.04.1 | < 2.26.4-1ubuntu1
  • webkitgtkAll versions (No fix recorded)
Redhat3 products
Debian2 products
  • webkit2gtk< 2.26.4-1
  • wpewebkit< 2.26.4-1

4 vendors · 18 products

References

11 links
Show all 11 references