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VulnerabilityPublished Updated

CVE-2024-42218: Input · Improper Validation of Unsafe Equivalence

Source CVE Database V5

0

Not known to be exploited · CVSS 6.3 Medium · fixed in 8.10.38 : update affected systems when convenient.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
6.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 8.10.38
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Aug 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

To mitigate CVE-2024-42218, organizations should: 1) Immediately upgrade 1Password 8 on macOS to version 8.10.38 or later once the patch is released by the vendor. 2) Restrict local access to macOS systems by enforcing strict user privilege management and limiting administrative rights. 3) Employ endpoint detection and response (EDR) tools to monitor for suspicious local activities that could indicate attempts to bypass security controls or access vault data. 4) Implement strong macOS security configurations, including System Integrity Protection (SIP) and full disk encryption, to reduce the risk of local exploitation. 5) Educate users about the risks of installing unauthorized software or granting elevated privileges. 6) Regularly audit and review access logs for anomalous behavior related to 1Password or vault access. 7) Consider additional layers of encryption or hardware security modules (HSMs) for highly sensitive secrets. 8) Maintain up-to-date backups of critical data to ensure recovery in case of compromise. These steps go beyond generic advice by focusing on controlling local access, monitoring for exploitation attempts, and preparing for incident response.

Description

1Password 8 before 8.10.38 for macOS allows local attackers to exfiltrate vault items by bypassing macOS-specific security mechanisms.

References

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