Description
Xpand IT Write-back Manager v2.3.1 uses weak secret keys to sign JWT tokens. This allows attackers to easily obtain the secret key used to sign JWT tokens via a bruteforce attack.
Affected products
xpand-it: write-back manager
References3
- balwurk.github.io/CVE-2023-27172/ ExploitThird Party Advisory
- balwurk.github.io/CVE-2023-27172/ ExploitThird Party Advisory
- ghostline.neocities.org/CVE-2023-27172/
Metrics
- CVSS 3.1
-
9.1
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - EPSS — exploit probability
- 1% percentile: 53 · as of 5 November 2026
- CWE
- CWE-307
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.