CVE-2021-3535 Cross-site scripting in Rapid7 Nexpose

What is CVE-2021-3535?

CVE-2021-3535 is a medium-severity cross-site scripting vulnerability in Rapid7 Nexpose, published on 16 Jun 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Rapid7 Nexpose is vulnerable to a non-persistent cross-site scripting vulnerability affecting the Security Console's Filtered Asset Search feature. A specific search criterion and operator combination in Filtered Asset Search could have allowed a user to pass code through the provided search field. This issue affects version 6.6.80 and prior, and is fixed in 6.6.81. If your Security Console currently falls on or within this affected version range, ensure that you update your Security Console to the latest version.

Weakness: CWE-79

Which versions are affected by CVE-2021-3535?

It affects 1 product.

Products include Rapid7 Nexpose.

How do I fix CVE-2021-3535?

No fix has been published for CVE-2021-3535 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-3535 being exploited?

There is no known exploitation of CVE-2021-3535 in the wild and no public exploit code.

Other vulnerabilities in Rapid7 Nexpose

• CVE-2017-5264 Cross-site request forgery in Nexpose High 8.8
• CVE-2019-5638 Rapid7 Nexpose Insufficient Session Management High 8.7
• CVE-2017-5243 Weak cryptography in Nexpose hardware appliance High 8.5
• CVE-2017-5232 Other in Nexpose High 7.8
• CVE-2017-5230 Hardcoded credentials in Nexpose High 7.2

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-c28q-7hxm-794g.