What is CVE-2020-15864?

CVE-2020-15864 is a medium-severity vulnerability in Quali Cloudshell, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-01-17.

How severe is CVE-2020-15864?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Quali Cloudshell

CVE-2020-15864

An issue was discovered in Quali CloudShell 9.3. An XSS vulnerability in the login page allows an attacker to craft a URL, with a constructor.constructor substring in the username field, that executes a payload when the user visits the /Account/Login page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (49.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Quali Cloudshell — versions 9.3
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-15864?: CVE-2020-15864 is a medium-severity vulnerability in Quali Cloudshell, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-01-17.
How severe is CVE-2020-15864?: Medium severity. CVSS v3 base score is 6.1 out of 10.