Is CVE-2020-27607 in the CISA KEV catalog?

No. CVE-2020-27607 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-27607?

CVE-2020-27607 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-27607?

CVE-2020-27607 has an EPSS score of 0.76% (51th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-27607?

Upgrade bigbluebutton to 2.2.28 or later.

CVE & CISA-KEV Catalog

CVE-2020-27607

MEDIUM

6.5

CVSS v3

NVD

Description

In BigBlueButton before 2.2.28 (or earlier), the client-side Mute button only signifies that the server should stop accepting audio data from the client. It does not directly configure the client to stop sending audio data to the server, and thus a modified server could store the audio data and/or transmit it to one or more meeting participants or other third parties.

How to fix

Remediation Available

bigbluebuttonNVD

Affected:< 2.2.28Fixed in:2.2.28CVE-2020-27607derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploit Intelligence

0.76%probability of exploitation in 30 days

51stpercentile

Moderate risk: more likely to be exploited than 51% of all known CVEs.

References

Exploit1

golem.de

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.