What is CVE-2024-42218?

CVE-2024-42218 is a medium-severity vulnerability in 1password, classified under CWE-1289. CVSS score: 4.7/10. Published 2024-08-06.

How severe is CVE-2024-42218?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Is CVE-2024-42218 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in 1password

CVE-2024-42218

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

Published 2024-08-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (9.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

1password

Weakness classification (CWE)

CWE-1289

Public proof-of-concept exploits

References

app-updates.agilebits.com (Release Notes)
support.1password.com/kb/202408/ (Vendor Advisory)

Frequently asked questions

What is CVE-2024-42218?: CVE-2024-42218 is a medium-severity vulnerability in 1password, classified under CWE-1289. CVSS score: 4.7/10. Published 2024-08-06.
How severe is CVE-2024-42218?: Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2024-42218 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.