SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-13553

The authentication mechanism on affected systems is configured using hard-coded credentials.

CRITICAL 9.8EPSS 2.30%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Rittal Chiller SK 3232-Series web interface as built upon Carel pCOWeb firmware A1.5.3 – B1.2.4. The authentication mechanism on affected systems is configured using hard-coded credentials. These credentials could allow attackers to influence the primary operations of the affected systems, namely turning the cooling unit on and off and setting the temperature set point.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.30% probability · 83th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-798
Affected
carel/pcoweb firmware
Source
ics-cert@hq.dhs.gov
EPSS trend
0%3%5%27 October 2026: 2.30%27 October 202627 October 2026

EPSS 2.3% 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.

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