CVE-2016-6603

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 85.56% Top 5%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory securityfocus.com Third-Party Advisory securiteam.com Third-Party Advisory github.com Third-Party Advisory exploit-db.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://seclists.org/fulldisclosure/2016/Aug/54 mailing list exploit third party advisory
https://forums.webnms.com/topic/recent-vulnerabilities-in-webnms-and-how-to-protect-the-server-against-them
http://www.securityfocus.com/bid/92402 vdb entry third party advisory
https://www.exploit-db.com/exploits/40229/ exploit vdb entry third party advisory
http://www.securityfocus.com/archive/1/539159/100/0/threaded mailing list
http://packetstormsecurity.com/files/138244/WebNMS-Framework-5.2-SP1-Traversal-Weak-Obfuscation-User-Impersonation.html exploit vdb entry third party advisory
https://blogs.securiteam.com/index.php/archives/2712 exploit third party advisory technical description
https://github.com/pedrib/PoC/blob/master/advisories/webnms-5.2-sp1-pwn.txt third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2016-6603?
CVE-2016-6603 has been scored as a critical severity vulnerability.
How to fix CVE-2016-6603?
To fix CVE-2016-6603, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-6603 being actively exploited in the wild?
It is possible that CVE-2016-6603 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~86% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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