CVE-2023-27172
Xpand IT Write-back Manager v2.3.1 uses weak secret keys to sign JWT tokens.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.69% probability · 51th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-307
- Affected
- xpand-it/write-back manager
- Source
- cve@mitre.org
EPSS 0.7% since 13 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://balwurk.github.io/CVE-2023-27172/Exploit, Third Party Advisory
- https://ghostline.neocities.org/CVE-2023-27172/
- https://balwurk.github.io/CVE-2023-27172/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.