TI-2019-10181 Aliases CVE-2019-13549 GHSA-73fc-m42q-9fv3

Missing authentication in Rittal Chiller SK 3232-Series

LOW 35CWE-306Published 2019-10-25 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.

Summary

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 does not provide a sufficient level of protection against unauthorized configuration changes. Primary operations, namely turning the cooling unit on and off and setting the temperature set point, can be modified without authentication.

Why it matters now

EPSS 0.01035 64th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Rittal Chiller SK 3232-Series	Rittal Chiller SK 3232-Series web interface as built upon Carel pCOWeb firmware A1.5.3 – B1.2.4	—	No fix listed	CNA

Rittal Chiller SK 3232-Series Vendor— Affected Rittal Chiller SK 3232-Series web interface as built upon Carel pCOWeb firmware A1.5.3 – B1.2.4 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:carel:pcoweb_firmware::::::::	a1.5.3 – b1.2.4	Vulnerable	Carel
cpe:2.3:h:rittal:chiller_sk_3232:-:::::::*	not specified by NVD	Running on	Rittal

cpe:2.3:o:carel:pcoweb_firmware:*:*:*:*:*:*:*:* Versions a1.5.3 – b1.2.4 Vulnerable ·Carel
cpe:2.3:h:rittal:chiller_sk_3232:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rittal

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-13549
2026-10-03 Alias added: GHSA-73fc-m42q-9fv3

References

Advisory 1

https://www.us-cert.gov/ics/advisories/icsa-19-297-01

Other 1

20191031 [RT-SA-2019-014] Unauthenticated Access to Modbus Interface in Carel pCOWeb HVAC

TI-2019-10185 Hard-coded credentials in Rittal Chiller SK 3232-Series CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences