CVE-2016-9877 is a critical authentication bypass vulnerability affecting Pivotal RabbitMQ versions prior to 3.5.8 and 3.6.6, and RabbitMQ for PCF versions prior to 1.5.20, 1.6.12, and 1.7.7. Specifically, it allows an attacker to authenticate to an MQTT connection with a valid username but a missing password, granting unauthorized access. This vulnerability has a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, its critical severity warrants immediate patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.0.0CPE matchmatch criteria | cpe:2.3:a:broadcom:rabbitmq_server:3.0.0:*:*:*:*:*:*:* | ||
3.0.1CPE matchmatch criteria | cpe:2.3:a:broadcom:rabbitmq_server:3.0.1:*:*:*:*:*:*:* | ||
3.0.2CPE matchmatch criteria | cpe:2.3:a:broadcom:rabbitmq_server:3.0.2:*:*:*:*:*:*:* | ||
3.0.3CPE matchmatch criteria | cpe:2.3:a:broadcom:rabbitmq_server:3.0.3:*:*:*:*:*:*:* | ||
3.0.4CPE matchmatch criteria | cpe:2.3:a:broadcom:rabbitmq_server:3.0.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.