CVE-2021-27764 HCL BigFix WebUI Cookie missing attributes

High 7.4 Published Updated

Attackers can steal session cookies via XSS or network sniffing because the WebUI sets cookies without Secure or HttpOnly flags.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-27764?

CVE-2021-27764 is a high-severity vulnerability in HCL BigFix WebUI, published on 6 May 2022. 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

Cookie without HTTPONLY flag set. NUMBER cookie(s) was set without Secure or HTTPOnly flags. The images show the cookie with the missing flag. (WebUI)

Weakness: CWE-732, CWE-311, CWE-614

Which versions are affected by CVE-2021-27764?

It affects 1 product.

Products include Hcltech Bigfix Webui.

How do I fix CVE-2021-27764?

No fix has been published for CVE-2021-27764 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-27764 being exploited?

There is no known exploitation of CVE-2021-27764 in the wild and no public exploit code.

Sources

Also known as GHSA-m754-rpq6-3vf7.

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