Vulnerability record · CVE-2020-10256 · published 27 October 2020
CVE-2020-10256: 1password command line interface vulnerability
1password · Command Line Interface
An issue was discovered in beta versions of the 1Password command-line tool prior to 0.5.5 and in beta versions of the 1Password SCIM bridge prior to 0.7.3. An insecure random number generator was used to generate various keys. An attacker with access to the user's encrypted data may be able to perform brute-force calculations of encryption keys and thus succeed at decryption.
Description
An issue was discovered in beta versions of the 1Password command-line tool prior to 0.5.5 and in beta versions of the 1Password SCIM bridge prior to 0.7.3. An insecure random number generator was used to generate various keys. An attacker with access to the user's encrypted data may be able to perform brute-force calculations of encryption keys and thus succeed at decryption.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://support.1password.com/command-line/ | Vendor Advisory |
| https://support.1password.com/kb/202010/ | Vendor Advisory |
| https://support.1password.com/scim/ | Vendor Advisory |
| https://support.1password.com/command-line/ | Vendor Advisory |
| https://support.1password.com/kb/202010/ | Vendor Advisory |
| https://support.1password.com/scim/ | Vendor Advisory |
Track CVE-2020-10256 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2020-10256), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.
