CVE-2016-6603 Auth bypass in n/a

Critical 9.8 Published Updated

Remote attackers can bypass authentication and impersonate arbitrary users by manipulating the UserName HTTP header in ZOHO WebNMS Framework.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2016-6603?

CVE-2016-6603 is a critical authentication bypass vulnerability in n/a, published on 23 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ZOHO WebNMS Framework 5.2 and 5.2 SP1 allows remote attackers to bypass authentication and impersonate arbitrary users via the UserName HTTP header.

Weakness: CWE-20

Which versions are affected by CVE-2016-6603?

It affects 1 product.

Products include Zohocorp Webnms Framework.

How do I fix CVE-2016-6603?

No fix has been published for CVE-2016-6603 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2016-6603 being exploited?

There is no known exploitation of CVE-2016-6603 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-2fmw-vp29-wcgf.

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