CVE-2019-19104 — The web server in ABB Telephone Gateway TG/S 3

The web server in ABB Telephone Gateway TG/S 3.2 and Busch-Jaeger 6186/11 Telefon-Gateway allows access to different endpoints of the application without authenticating by accessing a specific uniform resource locator (URL) , violating the access-control (ACL) rules. This issue a

01What is this vulnerability?

The web server in ABB Telephone Gateway TG/S 3.2 and Busch-Jaeger 6186/11 Telefon-Gateway allows access to different endpoints of the application without authenticating by accessing a specific uniform resource locator (URL) , violating the access-control (ACL) rules. This issue allows obtaining sensitive information that may aid in further attacks and privilege escalation.

02Affected products

Vendor	Product	Versions
ABB	TG/S 3.2 Telephone Gateway	2CDG 110 135 R0011
Busch-Jaeger	6186/11 Telefon	Gateway — 2CKA006136A0187

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-04-22T14:31:55.000Z
• Last modified: 2024-08-05T02:09:39.458Z

09References

• search.abb.com — https://search.abb.com/library/Download.aspx?DocumentID=9AKK107680A3921&Language…