SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-27172

Xpand IT Write-back Manager v2.3.1 uses weak secret keys to sign JWT tokens.

CRITICAL 9.1EPSS 0.69%

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 trend
0%3%5%13 October 2026: 0.69%13 October 202613 October 2026

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.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.