CVE-2020-22650
A memory leak vulnerability in sim-organizer.c of AlienVault Ossim v5 causes a denial of service ...
CVE-2020-22650 is a high vulnerability (CVSS 7.5) in Att Alienvault Ossim, published July 19, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.07%, the 64th percentile. No source names a fixed version.
A memory leak vulnerability in sim-organizer.c of AlienVault Ossim v5 causes a denial of service (DOS) via a system crash triggered by the occurrence of a large number of alarm events.
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
A memory leak vulnerability in sim-organizer.c of AlienVault Ossim v5 causes a denial of service (DOS) via a system crash triggered by the occurrence of a large number of alarm events.
- Record
CVE-2020-22650- 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 - Weakness
- CWE-401
- Updated
- 2026-11-02
CVE List No score
A memory leak vulnerability in sim-organizer.c of AlienVault Ossim v5 causes a denial of service (DOS) via a system crash triggered by the occurrence of a large number of alarm events.
- Record
CVE-2020-22650- Updated
- 2026-11-02
EUVDEUVD-2020-15409 No score
A memory leak vulnerability in sim-organizer.c of AlienVault Ossim v5 causes a denial of service (DOS) via a system crash triggered by the occurrence of a large number of alarm events.
- Record
EUVD-2020-15409- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-23jm-rv8w-pvxf No score
A memory leak vulnerability in sim-organizer.c of AlienVault Ossim v5 causes a denial of service ...
A memory leak vulnerability in sim-organizer.c of AlienVault Ossim v5 causes a denial of service (DOS) via a system crash triggered by the occurrence of a large number of alarm events.
- Record
GHSA-23jm-rv8w-pvxf- Weakness
- CWE-401
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-22650
7.5
A memory leak vulnerability in sim-organizer.c of AlienVault Ossim v5 causes a denial of service (DOS) via a system crash triggered by the occurrence of a large number of alarm events.
- Record
UBUNTU-CVE-2020-22650- 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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ossimUbuntu:16.04:LTS |
All versions, plus listed versions 1.8.16-4ubuntu1 |
None known |
ossimUbuntu:18.04:LTS |
All versions, plus listed versions 1.8.20.3+ds-5build12.2.0-12.2.1-12.2.2-1 |
None known |
ossimUbuntu:20.04:LTS |
All versions, plus listed versions 2.9.0-12.9.1-22.9.1-2build1 |
None known |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |