CVE-2020-13951
Denial of service in Apache OpenMeetings
Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.5
Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.
- Record
CVE-2020-13951- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.
- Record
CVE-2020-13951- Updated
- 2026-11-02
EUVDEUVD-2022-0994 No score
Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.
- Record
EUVD-2022-0994- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g37q-26qx-8v2m
7.5
Denial of service in Apache OpenMeetings
Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.
- Record
GHSA-g37q-26qx-8v2m- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSV
7.5
Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.
- Record
CVE-2020-13951- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-g37q-26qx-8v2m
7.5
Denial of service in Apache OpenMeetings
Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.
- Record
GHSA-g37q-26qx-8v2m- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.openmeetings:openmeetings-parentMaven |
4.0.0 up to 5.1.0 | 5.1.0 |
org.apache.openmeetings:openmeetings-parentMaven |
4.0.0 up to 5.1.0, plus listed versions 4.0.14.0.104.0.114.0.34.0.4 Show 9 moreShow less4.0.54.0.64.0.74.0.95.0.05.0.0-M15.0.0-M25.0.0-M35.0.0-M4 |
5.1.0 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Apache OpenMeetings 5.0.0 - 'hostname' Denial of Service | 2020-11-24 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-13951 is a high vulnerability (CVSS 7.5) in Apache Openmeetings, published September 30, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 68.6%, the 99th percentile. Fixed in org.apache.openmeetings:openmeetings-parent 5.1.0.
References
lists.apache.org/thread.html/re2aed827cd24ae73cbc320e5808020c8d12c7b687ee861b27d728bbc%40%3Cuser.openmeetings.apache.org%3E
packetstormsecurity.com/files/160186/Apache-OpenMeetings-5.0.0-Denial-Of-Service.html
lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3E
lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2020-13951
lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7@%3Cannounce.apache.org%3E
lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922@%3Cannounce.apache.org%3E
github.com/advisories/GHSA-g37q-26qx-8v2m