Cross-site scripting in MikroTik RouterOS



Published: 2021-01-07 | Updated: 2021-02-16
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3014
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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MikroTik RouterOS
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor MikroTik

Security Bulletin

This security bulletin contains information about 1 vulnerabilities.

Updated: 16.02.2021

Changed bulletin status to patched.

1) Cross-site scripting

EUVDB-ID: #VU49335

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-3014

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "target" parameter. 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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MikroTik RouterOS: 6.48


CPE2.3 External links

http://github.com/M4DM0e/m4dm0e.github.io/blob/gh-pages/_posts/2021-01-04-mikrotik-xss-reflected.md
http://m4dm0e.github.io/2021/01/04/mikrotik-xss-reflected.html
http://mikrotik.com/download/changelogs#6.48.1

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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