Vulnerability in Eclipse Paho Java Client
CVE-2019-11777
In the Eclipse Paho Java client library version 1.2.0, when connecting to an MQTT server using TLS and setting a host name verifier, the result of that verification is not checked. This could allow one MQTT server to impersonate another and provide the client library with incorrect information.
EPSS: 0.008 (54.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Eclipse Paho_java_client — versions 1.2.0
- The Eclipse Foundation Paho — versions 1.2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- emo@eclipse.org (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-11777?
- CVE-2019-11777 is a high-severity vulnerability in Eclipse Paho Java Client, classified under Origin Validation Error. CVSS score: 7.5/10. Published 2019-09-11.
- How severe is CVE-2019-11777?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-11777 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.