Information disclosure in Apache Qpid Proton

CVE-2016-2166

The (1) proton.reactor.Connector, (2) proton.reactor.Container, and (3) proton.utils.BlockingConnection classes in Apache Qpid Proton before 0.12.1 improperly use an unencrypted connection for an amqps URI scheme when SSL support is unavailable, which might allow man-in-the-middle attackers to obtain sensitive information or modify data via unspecified vectors.

Vulnerability class: Information Disclosure

EPSS: 0.043 (90.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-2166?
CVE-2016-2166 is a medium-severity vulnerability in Apache Qpid Proton, classified under Information Disclosure. CVSS score: 6.5/10. Published 2016-04-12.
How severe is CVE-2016-2166?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2016-2166 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.