CVE-2020-28954

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 67.3% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-11-19 21:14Z5 YR AGO

Last updated

2024-08-04 16:48Z2 YR AGO

Reserved

2020-11-19

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-116Improper Encoding or Escaping of OutputClass

Data version

5.1

Document digest

d98ba540a9b4f2f667ceaae8a2986e21eb2790f91b96715635e3825b6bc6a787

• github.comhttps://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29x_refsource_MISC
• github.comhttps://github.com/bigbluebutton/bigbluebutton/commit/e59bcd0c33a6a3203c011faa8823ba2cac1e4f37x_refsource_MISC
• github.comhttps://github.com/bigbluebutton/bigbluebutton/issues/10818x_refsource_MISC
• github.comhttps://github.com/bigbluebutton/bigbluebutton/commit/5c911ddeec4493f40f42e2f137800ed4692004a4x_refsource_MISC