CVE-2024-23271: apple ios and ipados Improper Access Control
CVSS: 7.3v3.1HighModified
AliasesUBUNTU-CVE-2024-23271DEBIAN-CVE-2024-23271
Published 24-04-2024Last modified 02-04-2026
Vulnerability summary
CVE-2024-23271 is a high (CVSS 7.3) Improper Access Control vulnerability in apple ios and ipados. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 55.8% of scored vulnerabilities.
CVSS score
7.3/10
010
High · v3.1 (CVE.org)EPSS score
0.80%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 9 · Related 4Timeline
- 24-04-2024PublishedVulnerability first disclosed.
- 02-04-2026Last modifiedVulnerability information updated.
Description
A logic issue was addressed with improved checks. This issue is fixed in Safari 17.3, iOS 17.3 and iPadOS 17.3, macOS Sonoma 14.3, tvOS 17.3, watchOS 10.3. A malicious website may cause unexpected cross-origin behavior.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LSources4 sources · 6.5–7.3
- OSV · UbuntuEcosystem advisory · calculated7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NDiffers
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NDiffers
EPSS trend
Probability
0.80%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
0.00 pp
From 0.80% on 19-09-2026
19-09-202619-10-2026
EPSS score0.80%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apple7 products
- ios and ipados< 17.3
- ipados< 17.3
- iphone_os< 17.3
- macos< 14.3 | ≥ 14.0, < 14.3
- safari< 17.3
Ubuntu5 products
- qtwebkit-opensource-srcAll versions (No fix recorded)
- qtwebkit-sourceAll versions (No fix recorded)
- webkit2gtkAll versions (No fix recorded) | < 2.42.5-0ubuntu0.22.04.2
- webkitgtkAll versions (No fix recorded)
- wpewebkitAll versions (No fix recorded)
Debian2 products
- webkit2gtk< 2.42.5-1~deb12u1 | < 2.42.5-1
- wpewebkitAll versions (No fix recorded) | < 2.42.5-1
3 vendors · 14 products