Improper input validation in Zohocorp Webnms_framework

CVE-2016-6603

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

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.703 (98.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (mailing-list, Exploit, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
  • cve@mitre.org (x_refsource_CONFIRM)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
  • cve@mitre.org (mailing-list, x_refsource_BUGTRAQ)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2016-6603?
CVE-2016-6603 is a critical-severity vulnerability in Zohocorp Webnms_framework, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2017-01-23.
How severe is CVE-2016-6603?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-6603 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.