VULNERABILITY INTELLIGENCE
CVE-2020-25860
CVSS score6.6 MEDIUM
EPSS probability1.45%
CISA KEVNot currently listed
Published2020-12-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Description
The install.c module in the Pengutronix RAUC update client prior to version 1.5 has a Time-of-Check Time-of-Use vulnerability, where signature verification on an update file takes place before the file is reopened for installation. An attacker who can modify the update file just before it is reopened can install arbitrary code on the device.
Weakness classification
- vuln@vdoo.com: CWE-367
- nvd@nist.gov: CWE-367
Primary references
- vuln@vdoo.com — Exploit, Third Party Advisory
- vuln@vdoo.com — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory