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CVE-2020-22650

A memory leak vulnerability in sim-organizer.c of AlienVault Ossim v5 causes a denial of service ...

7.5 High

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

1.07%Up 0.6 points since Jul 20, 2021
90%50%10%1%

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 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV: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 HighCVSS: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

Affected packages
PackageAffectedFixed
ossim
Ubuntu:16.04:LTS
All versions, plus listed versions
1.8.16-4ubuntu1
None known
ossim
Ubuntu: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
ossim
Ubuntu:20.04:LTS
All versions, plus listed versions
2.9.0-12.9.1-22.9.1-2build1
None known

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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