What is CVE-2021-27770?

CVE-2021-27770 is a medium-severity vulnerability in Hcl Software Sametime, classified under CWE-472. CVSS score: 6.8/10. Published 2022-05-12.

How severe is CVE-2021-27770?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Hcl Software Sametime

CVE-2021-27770

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.

EPSS: 0.007 (49.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L.

Affected products

Hcl Software Sametime — versions 11.6
Hcltech Sametime — versions 11.6

Weakness classification (CWE)

CWE-472

References

psirt@hcl.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-27770?: CVE-2021-27770 is a medium-severity vulnerability in Hcl Software Sametime, classified under CWE-472. CVSS score: 6.8/10. Published 2022-05-12.
How severe is CVE-2021-27770?: Medium severity. CVSS v3 base score is 6.8 out of 10.