CVE-2016-2166

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

4.27% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.4% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-04-12 14:00Z10 YR AGO

Last updated

2024-08-05 23:17Z2 YR AGO

Reserved

2016-01-29

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
• CWE-223Omission of Security-relevant InformationBase

Data version

5.1

Document digest

e982c9302a7c87bba8feb0251a45bac54e65aefb58a2954fe7cf272784b6f99c

• issues.apache.orghttps://issues.apache.org/jira/browse/PROTON-1157x_refsource_CONFIRM
• packetstormsecurity.comhttp://packetstormsecurity.com/files/136403/Apache-Qpid-Proton-0.12.0-SSL-Failure.htmlx_refsource_MISC
• lists.fedoraproject.orgFEDORA-2016-e6e8436b98http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182414.htmlvendor-advisoryx_refsource_FEDORA
• git-wip-us.apache.orghttps://git-wip-us.apache.org/repos/asf?p=qpid-proton.git%3Bh=a058585x_refsource_CONFIRM
• qpid.apache.orghttp://qpid.apache.org/releases/qpid-proton-0.12.1/release-notes.htmlx_refsource_CONFIRM
• www.securityfocus.com20160323 CVE-2016-2166: Apache Qpid Proton python binding silently ignores request for 'amqps' if SSL/TLS not supportedhttp://www.securityfocus.com/archive/1/537864/100/0/threadedmailing-listx_refsource_BUGTRAQ
• lists.apache.org[qpid-commits] 20190423 [qpid-site] branch asf-site updated: update site content for CVE-2019-0223https://lists.apache.org/thread.html/914424e4d798a340f523b6169aaf39b626971d9bb00fcdeb1d5d6c0d%40%3Ccommits.qpid.apache.org%3Emailing-listx_refsource_MLIST