CVE-2023-41977Network attack vector

Browsing-history disclosure via mishandled browser caches

Published Oct 25, 2023 · Updated Feb 13, 2025

Information disclosure in Safari on affected Apple operating systems allows remote attackers to reveal browsing history via a malicious website. Safari mishandles browser caches, allowing a site to infer history-dependent data; Apple has not disclosed the cache operation or request path involved. Exploitation requires a user to visit attacker-controlled content, and the reported consequence is limited to browsing-history disclosure.

CVSS severity4.3
Medium
EPSS probability0.68%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Safari on affected Apple operating systems allows remote attackers to reveal browsing history via a malicious website. Safari mishandles browser caches, allowing a site to infer history-dependent data; Apple has not disclosed the cache operation or request path involved. Exploitation requires a user to visit attacker-controlled content, and the reported consequence is limited to browsing-history disclosure.

The record

CVE
CVE-2023-41977
Published
Oct 25, 2023
Updated
Feb 13, 2025
Vendor
Apple
Product
iOS and iPadOS
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 25, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <16.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Apple · iOS and iPadOSversion=unspecified <16.7
Apple · macOSversion=unspecified <14.1

Published CVSS scores

4.3NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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