CVE-2021-27771

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 13-05-2022 12:15

Last modified: - 24-05-2022 08:53

Total changes: - 3

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Low

Attack complexity

Network

Attack vector

High

Availability

Low

Confidentiality

Low

Integrity

Low

Privileges required

Unchanged

Scope

None

User interaction

7.6

Base score

2.8

4.7

Exploitability score

Impact score

Verification logic

vendor=hcltech AND product=sametime AND version=11.6

Reference

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430

Keywords

CVE-2021-27771

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-27771

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures