Vulnerability · Published May 12, 2022 · Assigned by HCL
CVE-2021-27770HCL Sametime is vulnerable to arbitrary HTTP requests
Medium 6.8
In plain English
A medium-severity security flaw in Sametime from HCL Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.7%top 45.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HCL Software | Sametime | 11.6 |
Weakness: CWE-472 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L