HOME VULNERABILITIESCVE-2016-6668

HIGH

CVE-2016-6668

CWE-200Published: January 23, 2017· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

The Atlassian Hipchat Integration Plugin for Bitbucket Server 6.26.0 before 6.27.5, 6.28.0 before 7.3.7, and 7.4.0 before 7.8.17; Confluence HipChat plugin 6.26.0 before 7.8.17; and HipChat for JIRA plugin 6.26.0 before 7.8.17 allows remote attackers to obtain the secret key for communicating with HipChat instances by reading unspecified pages.

Technical Analysis

CVE-2016-6668 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

Atlassian2 product(s)

confluence serverjira integration for hipchat

Source: NVD CPE · 30 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://packetstormsecurity.com/files/139004/Atlassian-HipChat-Secret-Key-Disclosure.html

ADVISORYhttp://www.securityfocus.com/archive/1/539530/100/0/threaded

ADVISORYhttp://www.securityfocus.com/bid/93159

ADVISORYhttps://confluence.atlassian.com/bitbucketserver/bitbucket-server-security-advisory-2016-09-21-840698321.html

ADVISORYhttps://confluence.atlassian.com/doc/confluence-security-advisory-2016-09-21-849052104.html

ADVISORYhttps://confluence.atlassian.com/jira/jira-and-hipchat-for-jira-plugin-security-advisory-2016-09-21-849052099.html

ADVISORYhttp://packetstormsecurity.com/files/139004/Atlassian-HipChat-Secret-Key-Disclosure.html

ADVISORYhttp://www.securityfocus.com/archive/1/539530/100/0/threaded

ADVISORYhttp://www.securityfocus.com/bid/93159

ADVISORYhttps://confluence.atlassian.com/bitbucketserver/bitbucket-server-security-advisory-2016-09-21-840698321.html

ADVISORYhttps://confluence.atlassian.com/doc/confluence-security-advisory-2016-09-21-849052104.html

ADVISORYhttps://confluence.atlassian.com/jira/jira-and-hipchat-for-jira-plugin-security-advisory-2016-09-21-849052099.html

All References (12)

→

http://packetstormsecurity.com/files/139004/Atlassian-HipChat-Secret-Key-Disclosure.htmlThird Party Advisory · VDB Entry

→

http://www.securityfocus.com/archive/1/539530/100/0/threadedBroken Link · Third Party Advisory · VDB Entry

→

http://www.securityfocus.com/bid/93159Broken Link · Third Party Advisory · VDB Entry

→

https://confluence.atlassian.com/bitbucketserver/bitbucket-server-security-advisory-2016-09-21-840698321.htmlVendor Advisory

→

https://confluence.atlassian.com/doc/confluence-security-advisory-2016-09-21-849052104.htmlVendor Advisory

→

https://confluence.atlassian.com/jira/jira-and-hipchat-for-jira-plugin-security-advisory-2016-09-21-849052099.htmlVendor Advisory

→

http://packetstormsecurity.com/files/139004/Atlassian-HipChat-Secret-Key-Disclosure.htmlThird Party Advisory · VDB Entry

→

http://www.securityfocus.com/archive/1/539530/100/0/threadedBroken Link · Third Party Advisory · VDB Entry

→

http://www.securityfocus.com/bid/93159Broken Link · Third Party Advisory · VDB Entry

→

https://confluence.atlassian.com/bitbucketserver/bitbucket-server-security-advisory-2016-09-21-840698321.htmlVendor Advisory

→

https://confluence.atlassian.com/doc/confluence-security-advisory-2016-09-21-849052104.htmlVendor Advisory

→

https://confluence.atlassian.com/jira/jira-and-hipchat-for-jira-plugin-security-advisory-2016-09-21-849052099.htmlVendor Advisory

Quick Facts

CVE IDCVE-2016-6668

CVSS Score7.5 / 10

SeverityHIGH

WeaknessCWE-200

CISA KEVNo

Affected1 vendor(s)

PublishedJan 23, 2017

Related CVEs (CWE-200)

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2016-6668 in threat intel feeds
→Review IDS/IPS signatures for exploitation attempts

Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.

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