An issue was discovered in Rclone before 1.53.3.
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
An issue was discovered in Rclone before 1.53.3. Due to the use of a weak random number generator, the password generator has been producing weak passwords with much less entropy than advertised. The suggested passwords depend deterministically on the time the second rclone was started. This limits the entropy of the passwords enormously. These passwords are often used in the crypt backend for encryption of data. It would be possible to make a dictionary of all possible passwords with about 38 million entries per password length. This would make decryption of secret material possible with a plausible amount of effort. NOTE: all passwords generated by affected versions should be changed.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/rclone/rclone (Go) | before 1.53.3 | 1.53.3 | Patch available | GHSA-rmw5-xpg9-jr29 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/rclone/rclone (Go) Vendor— Affected before 1.53.3 Fixed in 1.53.3 Patch available GHSA-rmw5-xpg9-jr29
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rclone:rclone:*:*:*:*:*:*:*:* | before 1.53.3 | Vulnerable | rclone |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
- cpe:2.3:a:rclone:rclone:*:*:*:*:*:*:*:* Versions before 1.53.3 Vulnerable ·rclone
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
Remediation
- Fix · GHSA-rmw5-xpg9-jr29 github.com/rclone/rclone (Go) Fixed in 1.53.3 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28924
- 2026-10-03 Alias added: GHSA-rmw5-xpg9-jr29
References
Advisory 4
Sources
- CVE-2020-28924 · CVE Program
- CVE-2020-28924 · NVD
- FIRST EPSS
- GHSA-rmw5-xpg9-jr29 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-28924 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences