CVE-2025-24201: Apple Multiple Products exploited

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

What it is

An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in Safari 18.3.1, iOS 15.8.4 and iPadOS 15.8.4, iOS 16.7.11 and iPadOS 16.7.11, iOS 18.3.2 and iPadOS 18.3.2, iPadOS 17.7.6, macOS Sequoia 15.3.2, visionOS 2.3.2, watchOS 11.4. Maliciously crafted web content may be able to break out of Web Content sandbox. This is a supplementary fix for an attack that was blocked in iOS 17.2. (Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 17.2.).

Description quoted from the CVE record (assigned by apple, published 2025-03-11).

Weakness: CWE-787 Out-of-bounds Write

How it can be exploited

Exploitable over the network with low attack complexity needing no privileges and no user interaction. Impact: confidentiality high, integrity high, availability high. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: yes. Technical impact: total.

On CISA KEV since: 2025-03-13
US federal deadline: 2025-04-03
Ransomware use: Not known

Public exploit evidence (Exploit Observer)

Also known as: BDU:2025-02568, CNNVD-202503-1108, EUVD-2025-6302, GHSA-2j99-5q75-3f57, SNYK-RHEL9-WEBKIT2GTK3-9460337

VEDAS cluster: VEDAS:ASHENBONE

Exploit Observer links 4 pieces of public exploit code or detection modules that name this CVE or one of its aliases.

Exploit code and modules (4)

Code that names this CVE. A repository can be a working exploit, a scanner, a fake or malware; read it before running anything.

Code repository: https://github.com/5ky9uy/glass-cage-i18-2025-24085-and-cve-2025-24201
Code repository: https://github.com/avonborn/cve-2025-24201-exploit
Code repository: https://github.com/jgoyd/glass-cage-ios18-cve-2025-24085-cve-2025-24201
Code repository: https://github.com/the-maxu/cve-2025-24201-webkit-vulnerability-detector-poc-

Research and write-ups (8)

Research or write-up: https://thedefendopsdiaries.com/apples-swift-response-to-webkit-zero-day-vulnerability-cve-2025-24201
Research or write-up: https://www.atteqni.com/2025/03/D8A2D8A8D984-D8AAD8B5D8AFD8B1-D8AAD8ADD8AFD98AD8ABD8A7D8AA-D8A3D985D986D98AD8A9-D8B7D8A7D8B1D8A6D8A9-D984D8ABD8BAD8B1D8A9-CVE-2025-24201.html
Research or write-up: https://www.old.rapid7.com/db/vulnerabilities/microsoft-edge-cve-2025-24201
Research or write-up: https://www.rapid7.com/db/vulnerabilities/apple-osx-webkit-cve-2025-24201
Research or write-up: https://www.rapid7.com/db/vulnerabilities/apple-safari-cve-2025-24201
Research or write-up: https://www.rapid7.com/db/vulnerabilities/debian-cve-2025-24201
Research or write-up: https://www.rapid7.com/db/vulnerabilities/google-chrome-cve-2025-24201
Research or write-up: https://www.rapid7.com/db/vulnerabilities/microsoft-edge-cve-2025-24201

Vulnerability databases and vendor advisories (13)

Catalogue entries, not exploit evidence.

Vulnerability database or vendor advisory: https://access.redhat.com/security/cve/cve-2025-24201
Vulnerability database or vendor advisory: https://access.redhat.com/security/cve/cve-2025-24201)
Vulnerability database or vendor advisory: https://euvd.enisa.europa.eu/enisa/EUVD-2025-6302
Vulnerability database or vendor advisory: https://github.com/advisories/GHSA-2j99-5q75-3f57
Vulnerability database or vendor advisory: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24201
Vulnerability database or vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-24201
Vulnerability database or vendor advisory: https://osv.dev/vulnerability/UBUNTU-CVE-2025-24201
Vulnerability database or vendor advisory: https://security.snyk.io/vuln/SNYK-RHEL9-WEBKIT2GTK3-9460337
Vulnerability database or vendor advisory: https://ubuntu.com/security/CVE-2025-24201
Vulnerability database or vendor advisory: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24201
Vulnerability database or vendor advisory: https://www.cnnvd.org.cn/home/globalSearch?keyword=CNNVD-202503-1108
Vulnerability database or vendor advisory: https://www.suse.com/security/cve/CVE-2025-24201
and 1 more

368 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.

VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.

Live scores

EPSS: 0.038
some chance of attack soon
VEDAS: 0.976
strong exploit evidence
On CISA KEV: Yes, since 2025-03-13
Detection rule: None yet

EPSS (chance of attack)

VEDAS (exploit evidence)

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish.

Who is affected

Product	Affected	Not affected
Apple Safari	before 18.3.1	Not stated
Apple iOS and iPadOS	before 15.8.4 before 16.7.11 before 18.3.2	Not stated
Apple iPadOS	before 17.7.6	Not stated
Apple macOS	before 15.3.2	Not stated
Apple visionOS	before 2.3.2	Not stated
Apple watchOS	before 11.4	Not stated

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

Exploit Observer also maps it to: apple ipados, apple iphone_os, apple macos, apple safari, apple visionos, apple watchos.

How to fix it

Fixed versions stated in the CVE record: 18.3.1, 15.8.4, 16.7.11, 18.3.2, 17.7.6, 15.3.2, 2.3.2, 11.4.

CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vendor guidance:

How to detect it

There is no open VEDAS detection rule for this bug yet. It is listed on the detection gaps page if CISA has confirmed attacks.

References

Government sources

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24201 (government-resource)

Other references

8 more

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.

CVE-2025-24201: Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability