Vulnerability · Published May 12, 2022 · Assigned by HCL
CVE-2021-27771HCL Sametime is susceptible a file transfer service vulnerability
High 8.2
In plain English
A high-severity unrestricted file upload 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)8.2High
Exploit odds (30 days)0.7%top 45.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
User SID can be modified resulting in an Arbitrary File Upload or deletion of directories causing a Denial of Service. When interacting in a normal matter with the Sametime chat application, users hold a cookie containing their session ID (SID). This value is also used when sending chat messages, receiving notifications and/or transferring files.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HCL Software | Sametime | 11.6 |
Weakness: CWE-434, CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H