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.
Published 2022-05-12 22:15:12
Updated 2023-06-30 21:26:37
Source HCL Software
View at NVD,   CVE.org

Products affected by CVE-2021-27770

Exploit prediction scoring system (EPSS) score for CVE-2021-27770

0.20%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-27770

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST
8.8
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
NIST
6.8
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L
2.1
4.7
HCL Software

CWE ids for CVE-2021-27770

References for CVE-2021-27770

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