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CISA adds Apple authentication flaw CVE-2024-27834 to KEV catalog

CISA added CVE-2024-27834, an improper authentication vulnerability affecting multiple Apple products, to its Known Exploited Vulnerabilities catalog. CISA cites evidence of active exploitation.

Written by a model from the sources below. Verify against them.

Sources8Confirmed
Kind
Vulnerability
Vendor
Apple
Product
iOS, iPadOS, macOS, Safari, tvOS and watchOS
Status
Confirmed
First seen
Confirmed

What to do

  • Update affected Apple devices and software to the latest patched versions

  • Prioritize patching on internet-exposed Apple systems

  • Check vendor advisories for affected product versions

Timeline

  1. Made public by CISA advisories
  2. First seen by cve.now1 day
  3. Confirmed by CISA advisories
  4. Record last updated

On X 10

Evidence 8

  1. Official
    CISA advisories
    “CISA Adds One Known Exploited Vulnerability to Catalog”
  2. Social
    Mastodon
    “⚠️ FAILLE CRITIQUE CVE-2024-27834 activement exploitée : authentification incorrecte sur plusieurs produits Apple”
  3. Social
    Mastodon
    “Apple iOS, iPadOS, macOS, Safari, tvOS and watchOS 10.5 contain an improper authentication vulnerability which could allow an attacker with arbitrary read and write capability to bypass pointer authentication.”
  4. Social
    Mastodon
    “CISA added Apple WebKit CVE-2024-27834 to KEV on Nov 4 based on exploitation evidence.”
    +1 more: Mastodon
  5. Press
    The Hacker News
    “The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a medium-severity security flaw impacting multiple Apple operating systems to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation.”
Show all 8 sourcesShow fewer sources
  1. Social
    Bluesky
    “CISA Sounds Alarm Over Apple Zero-Day Exploitation: Russian-Linked APT29 Suspected of Deploying Spyware Through Safari + Video”
  2. Social
    Bluesky
    “CISA Adds Apple Zero-Day Exploit to KEV Catalog as Russia-Linked Hackers Use PAC Bypass to Attack Safari + Video A Critical Security Barrier in Apple Silicon Has Been Defeated Apple's hardware-backed security protections are facing renewed scrutiny after the U.S. Cybersecurity and Infrastructure…”
  3. Social
    Mastodon
    “The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a medium-severity security flaw impacting multiple Apple...”
    +1 more: Mastodon

Corrections

None so far.

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Questions about SZB-646da66be3

Has Apple confirmed it?

Yes. Confirmed by CISA advisories.Source: CISA advisories, Mastodon, Mastodon, Mastodon, The Hacker News, Bluesky, Bluesky, Mastodon

What should Apple users do?

Update affected Apple devices and software to the latest patched versions. Prioritize patching on internet-exposed Apple systems. Check vendor advisories for affected product versions.

Does it have a CVE?

Yes. It is tracked as CVE-2024-27834.Source: CVE-2024-27834