SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-15557

XM^online 2 User Account and Authentication server 1.0.0 allows SQL injection via a tenant key.

CRITICAL 9.8EPSS 1.55%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

XM^online 2 User Account and Authentication server 1.0.0 allows SQL injection via a tenant key.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.55% probability · 75th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-89
Affected
xm-online/xm\^online 2 user account and authentication server
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 1.55%27 October 202627 October 2026

EPSS 1.5% since 27 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

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