Medium severity · published Jan 17, 2021
CVE-2020-15864
An issue was discovered in Quali CloudShell 9.3
6.1
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
Cloudshell · Quali
9.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15864
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15864
Exploit
https://burninatorsec.blogspot.com/2020/10/cve-2020-xxxxx-xss-in-quali-cloudshell.html
Vendor Advisory
https://www.quali.com/products/cloudshell-pro/
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