PT-2021-9841 · Quali · Quali Cloudshell

Burninator · Published 2021-01-17 · Updated 2021-01-23 · CVE-2020-15864

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Quali CloudShell version 9.3

Description An issue was discovered that allows an attacker to craft a URL with a constructor.constructor substring in the username field, executing a payload when the user visits the "/Account/Login" page. This is due to an XSS vulnerability in the login page.

Recommendations For Quali CloudShell version 9.3, consider disabling the login functionality until a patch is available, or restrict access to the "/Account/Login" page to minimize the risk of exploitation. Avoid using the username field in the affected login page until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-15864

Affected Products

Quali Cloudshell

References · 6

• 🔥 https://burninatorsec.blogspot.com/2020/10/cve-2020-xxxxx-xss-in-quali-cloudshell.html · Exploit
• https://osv.dev/vulnerability/CVE-2020-15864 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-15864 · Security Note
• https://quali.com/products/cloudshell-pro · Vendor Advisory
• https://t.me/cvenotify/8904 · Telegram Post
• https://t.me/cvenotify/8638 · Telegram Post