Cross-site scripting in Consul - CVE-2020-25864
Published: April 16, 2021
Vulnerability identifier: #VU52310
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2020-25864
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
Consul
Gentoo Linux
IBM Edge Application Manager
app-admin/consul
IBM Cloud Pak for Watson AIOps
Gentoo Linux
IBM Edge Application Manager
app-admin/consul
IBM Cloud Pak for Watson AIOps
How to mitigate CVE-2020-25864
Install updates from vendor's website.
Consul - addressed in versions 1.7.14, 1.8.10, 1.9.5
app-admin/consul - update to 1.9.17
IBM Cloud Pak for Watson AIOps - update to 4.1
app-admin/consul - update to 1.9.17
IBM Cloud Pak for Watson AIOps - update to 4.1