CVEvulnerability

CVE-2021-27770

8.8 HIGH Published 2022-05-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-05-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.8 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-472

Description

The vulnerability was discovered within the “FaviconService”. The service takes a base64-encoded URL which is then requested by the webserver. We assume this service is used by the “meetings”-function where users can specify an external URL where the online meeting will take place.

Affected configurations

• hcltech sametime 11.6

Related

Weakness · CWE (1)

  • CWE-472 External Control of Assumed-Immutable Web Parameter weakness

References