What’s Vulnerable › Vulnerabilities

CVE-2016-0783

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-04-11 · updated 2026-06-17
• Weakness: CWE-200

Description

The sendHashByUser function in Apache OpenMeetings before 3.1.1 generates predictable password reset tokens, which makes it easier for remote attackers to reset arbitrary user passwords by leveraging knowledge of a user name and the current system time.

Affected products

• Apache Software Foundation Apache OpenMeetings: through 3.1.0

References

• http://haxx.ml/post/141655340521/all-your-meetings-are-belong-to-us-remote-code
• http://openmeetings.apache.org/security.html
• http://packetstormsecurity.com/files/136432/Apache-OpenMeetings-3.1.0-MD5-Hashing.html
• http://www.securityfocus.com/archive/1/537886/100/0/threaded
• https://www.apache.org/dist/openmeetings/3.1.1/CHANGELOG
• http://haxx.ml/post/141655340521/all-your-meetings-are-belong-to-us-remote-code
• http://openmeetings.apache.org/security.html
• http://packetstormsecurity.com/files/136432/Apache-OpenMeetings-3.1.0-MD5-Hashing.html
• http://www.securityfocus.com/archive/1/537886/100/0/threaded
• https://www.apache.org/dist/openmeetings/3.1.1/CHANGELOG

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