← Vulnerability feed

Vulnerability record · CVE-2016-0783 · published 11 April 2016

CVE-2016-0783: Apache openmeetings information exposure vulnerability

Apache · Openmeetings

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.

7.5 CVSS 3.0 High EPSS 7.1% · top 6.0% CWE-200 · Information exposure
7.5CVSS 3.0 base score, v2 5.0
7.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://haxx.ml/post/141655340521/all-your-meetings-are-belong-to-us-remote-code
http://openmeetings.apache.org/security.html PatchVendor Advisory
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 PatchVendor Advisory
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

Track CVE-2016-0783 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2017-7664Apache openmeetings xml external entity (xxe) vulnerabilityUploaded XML documents were not correctly validated in Apache OpenMeetings 3.1.0.EPSS 2.3%9.8CVE-2024-54676Apache OpenMeetings OpenJPA deserialization of untrusted dataApache OpenMeetings versions from 2.1.0 before 8.0.0 ship default clustering instructions that omit OpenJPA serialization class white/black lists, al…EPSS 65%analysed9.8CVE-2023-28326Apache openmeetings missing authentication for critical function vulnerabilityVendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.0.0 before 7.0.0 Description: Attacker can elevate their privile…EPSS 1.3%9.8CVE-2016-8736Apache openmeetings deserialization of untrusted data vulnerabilityApache OpenMeetings before 3.1.2 is vulnerable to Remote Code Execution via RMI deserialization attack.EPSS 4.8%9.8CVE-2017-7673Apache openmeetings improper restriction of authentication attempts vulnerabilityApache OpenMeetings 1.0.0 uses not very strong cryptographic storage, captcha is not used in registration and forget password dialogs and auth forms …EPSS 1.6%8.8CVE-2017-7666Apache openmeetings cross-site scripting vulnerabilityApache OpenMeetings 1.0.0 is vulnerable to Cross-Site Request Forgery (CSRF) attacks, XSS attacks, click-jacking, and MIME based attacks.EPSS 0.80%8.8CVE-2017-7681Apache openmeetings sql injection vulnerabilityApache OpenMeetings 1.0.0 is vulnerable to SQL injection. This allows authenticated users to modify the structure of the existing query and leak the …EPSS 1.3%8.2CVE-2017-7682Apache openmeetings vulnerabilityApache OpenMeetings 3.2.0 is vulnerable to parameter manipulation attacks, as a result attacker has access to restricted areas.EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2016-0783), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.