How severe is CVE-2022-28761?

CVE-2022-28761 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-28761 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28761?

CVE-2022-28761 affects Zoom Zoom On-premise Meeting Connector Mmr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28761?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-28761 published?

CVE-2022-28761 was published on 2022-10-14 and last updated on 2026-06-17.

CVE-2022-28761

CVE-2022-28761 is a medium-severity vulnerability in Zoom Zoom On-premise Meeting Connector Mmr with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Zoom Zoom On-premise Meeting Connector Mmr
Published: 2022-10-14
Last modified: 2026-06-17

Description

Zoom On-Premise Meeting Connector MMR before version 4.8.20220916.131 contains an improper access control vulnerability. As a result, a malicious actor in a meeting or webinar they are authorized to join could prevent participants from receiving audio and video causing meeting disruptions.

Frequently asked questions

What is CVE-2022-28761?: Zoom On-Premise Meeting Connector MMR before version 4.8.20220916.131 contains an improper access control vulnerability. As a result, a malicious actor in a meeting or webinar they are authorized to join could prevent participants from receiving audio and video causing meeting disruptions.
How severe is CVE-2022-28761?: CVE-2022-28761 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-28761 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28761?: CVE-2022-28761 affects Zoom Zoom On-premise Meeting Connector Mmr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28761?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-28761 published?: CVE-2022-28761 was published on 2022-10-14 and last updated on 2026-06-17.

References

https://explore.zoom.us/en/trust/security/security-bulletin/

Affected products (1)

cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_mmr:*:*:*:*:*:*:*:*

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