CVE-2020-27642
CVE-2020-27642 is a medium-severity vulnerability in Bigbluebutton Greenlight with a CVSS 3.x base score of 6.1. 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Bigbluebutton Greenlight
- Published:
- Last modified:
Description
A cross-site scripting (XSS) vulnerability exists in the 'merge account' functionality in admins.js in BigBlueButton Greenlight 2.7.6.
Frequently asked questions
- What is CVE-2020-27642?
- A cross-site scripting (XSS) vulnerability exists in the 'merge account' functionality in admins.js in BigBlueButton Greenlight 2.7.6.
- How severe is CVE-2020-27642?
- CVE-2020-27642 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-27642 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-2020-27642?
- CVE-2020-27642 affects Bigbluebutton Greenlight. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-27642?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-27642 published?
- CVE-2020-27642 was published on 2020-10-22 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:bigbluebutton:greenlight:2.7.6:*:*:*:*:*:*:*
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