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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 65th percentile. No source names a fixed version.

What does this mean?
Severity
7.5 HighCVSS 3.1, NVD
Exploit chance
1.07%EPSS, 65th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

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%

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

What each source reports

NVD Score used7.5

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 ListNo 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-2020-15409No 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-pvxfNo 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-2020-226507.5

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

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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