CVE-2015-8601: The Chat Room module 7.x-2.x before 7.x-2.2 for Drupal does not properly check permissions when setting up a w

Routine

MEDIUM 5.0DOWNGRADE

CVE-2015-8601 is a medium-severity flaw (CVSS 5.0) affecting chat room. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Chat Room module 7.x-2.x before 7.x-2.2 for Drupal does not properly check permissions when setting up a websocket for chat messages, which allows remote attackers to bypass intended access restrictions and read messages from arbitrary Chat Rooms via unspecified vectors.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-200
Published	2015-12-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: chat room project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-12-17 19:59 UTCPublished CVE record published
2026-06-17 00:34 UTCUpdated Record last modified

chat room project chat room DOWNGRADE

Affected: 7.x-2.0 · 7.x-2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.x-2.0

1. Check installed version

apt-cache policy chat-room || rpm -q chat-room || chat-room --version

2. No fixed release: DOWNGRADE to a release before 7.x-2.0 (Debian / Ubuntu)

apt-cache madison chat-room sudo apt install chat-room=<VERSION_BEFORE_7.x-2.0> sudo apt-mark hold chat-room

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list chat-room sudo dnf downgrade chat-room-<VERSION_BEFORE_7.x-2.0> sudo dnf versionlock add chat-room

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-8601?

chat room: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-8601 being exploited?

CVE-2015-8601 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-8601 affect?

CVE-2015-8601 affects chat room. Severity is medium (CVSS 5.0). The Chat Room module 7.x-2.x before 7.x-2.2 for Drupal does not properly check permissions when setting up a websocket for chat messages, which allows remote attackers to bypass intended access restrictions and read messages from arbitrary

How urgent is CVE-2015-8601?

Priority 35/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

References

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