9.3

CVE-2019-8503: apple icloud Improper Input Validation

CVSS: 9.3v2.0HighModified
AliasesUBUNTU-CVE-2019-8503DEBIAN-CVE-2019-8503
Published 18-12-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-8503 is a high (CVSS 9.3) Improper Input Validation vulnerability in apple icloud. EPSS estimates a 1.78% chance of exploitation in the next 30 days, higher than 77.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
1.78%
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 4 · Related 3
OPENSUSE-SU-2019:1374-1RHBA-2019:2261SUSE-SU-2019:1137-1SUSE-SU-2019:1155-1

Timeline

  1. 18-12-2019
    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 iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. A malicious website may be able to execute scripts in the context of another website.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.78%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.78% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.78%

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

Apple8 products
Ubuntu4 products
  • qtwebkit-opensource-srcAll versions (No fix recorded)
  • qtwebkit-sourceAll versions (No fix recorded)
  • webkit2gtkAll versions (No fix recorded) | < 2.22.6-0ubuntu0.18.04.1
  • webkitgtkAll versions (No fix recorded)
Debian1 product
  • webkit2gtk< 2.24.1-1

3 vendors · 13 products

References

9 links