How severe is CVE-2020-13951?

CVE-2020-13951 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-13951 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 70% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13951?

CVE-2020-13951 affects Apache Openmeetings. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13951?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-13951 published?

CVE-2020-13951 was published on 2020-09-30 and last updated on 2026-06-17.

CVE-2020-13951

CVE-2020-13951 is a high-severity vulnerability in Apache Openmeetings with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 70% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 70% (99th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apache Openmeetings
Published: 2020-09-30
Last modified: 2026-06-17

Description

Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.

Frequently asked questions

What is CVE-2020-13951?: Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.
How severe is CVE-2020-13951?: CVE-2020-13951 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-13951 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 70% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13951?: CVE-2020-13951 affects Apache Openmeetings. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13951?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-13951 published?: CVE-2020-13951 was published on 2020-09-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:openmeetings:*:*:*:*:*:*:*:*

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