CVE-2019-19104 — ABB/Busch-Jaeger Telephone Gateway TG/S 3.2 Improper Authentication and Access Control

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.

Published Apr 22, 2020Updated Aug 5, 2024Sources: cvelistV5, ABB

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Unreported

no source claims exploitation

EPSS

chance of exploitation in 30 days

Affects

abb

2 products listed

CVSS base

9.1

CRITICAL

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (2)

abb busch jaeger

Products (2)

tg s 3 2 telephone gateway6186 11 telefon gateway

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

Score	Version	Severity	Expl.	Impact	Source
9.1	CVSS 3.1	CRITICAL	—	—	cvelistV5

Weakness & attack patterns

CWE-287

Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.

T1548Abuse Elevation Control Mechanism
T1040Network Sniffing
T1185Browser Session Hijacking

Detection

Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.

Search application, proxy, and WAF logs for requests touching /S, /11.

References

1 on the record

search.abb.com/library/Download.aspx?DocumentID=9AKK107680A3921&LanguageCode=en&DocumentPartId=&Action=Launch
x_refsource_MISC

Elsewhere on this site

abbevery CVE for this vendor
busch jaegerevery CVE for this vendor
CWE-287other pages naming this weakness

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
No exploit packet captures, log samples, or incident case IDs supplied.