9.8

CVE-2016-9877: broadcom rabbitmq_server Improper Access Control

CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2016-9877USN-3374-1DEBIAN-CVE-2016-9877
Published 29-12-2016Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-9877 is a critical (CVSS 9.8) Improper Access Control vulnerability in broadcom rabbitmq_server. EPSS estimates a 1.39% chance of exploitation in the next 30 days, higher than 71.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
1.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-12-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Pivotal RabbitMQ 3.x before 3.5.8 and 3.6.x before 3.6.6 and RabbitMQ for PCF 1.5.x before 1.5.20, 1.6.x before 1.6.12, and 1.7.x before 1.7.7. MQTT (MQ Telemetry Transport) connection authentication with a username/password pair succeeds if an existing username is provided but the password is omitted from the connection request. Connections that use TLS with a client-provided certificate are not affected.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.39%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.39% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.39%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Broadcom1 product
  • rabbitmq_server3.0.0 | 3.0.1 | 3.0.2 | 3.0.3 | 3.0.4 | 3.1.0 | 3.1.1 | 3.1.2 | 3.1.3 | 3.1.4 | 3.1.5 | 3.2.0 | 3.2.1 | 3.2.2 | 3.2.3 | 3.2.4 | 3.3.0 | 3.3.1 | 3.3.2 | 3.3.3 | 3.3.4 | 3.3.5 | 3.4.0 | 3.4.1 | 3.4.2 | 3.4.3 | 3.4.4 | 3.5.0 | 3.5.1 | 3.5.2 | 3.5.3 | 3.5.6
Debian1 product
  • rabbitmq-server< 3.6.6-1 | < 3.3.5-1.1+deb8u1
Pivotal_software1 product
  • rabbitmqEOL3.5.4 | 3.5.5 | 3.5.7 | 3.6.0 | 3.6.1 | 3.6.2 | 3.6.3 | 3.6.4 | 3.6.5 | 1.5.0 | 1.5.1 | 1.5.2 | 1.5.3 | 1.5.4 | 1.5.5 | 1.5.6 | 1.5.7 | 1.5.8 | 1.5.9 | 1.5.10 | 1.5.11 | 1.5.12 | 1.5.13 | 1.5.14 | 1.5.15 | 1.5.17 | 1.5.18 | 1.6.0 | 1.6.1 | 1.6.2 | 1.6.3 | 1.6.4 | 1.6.5 | 1.6.6 | 1.6.7 | 1.6.8 | 1.6.9 | 1.6.10 | 1.7.0 | 1.7.2 | 1.7.3 | 1.7.4 | 1.7.5 | 1.7.6
Ubuntu1 product
  • rabbitmq-server< 3.2.4-1ubuntu0.1 | < 3.5.7-1ubuntu0.16.04.2

4 vendors · 4 products

References

9 links