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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.869 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.870 · newest: 0.869 · change: -0.001
Affected products
- Zohocorp Webnms Framework — versions 5.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- seclists.org/fulldisclosure/2016/Aug/54 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- forums.webnms.com/topic/recent-vulnerabilities-in-webnms-and-how-to-protect-the…
- www.securityfocus.com/bid/92402 (VDB Entry, Third Party Advisory, vdb-entry)
- www.exploit-db.com/exploits/40229/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.securityfocus.com/archive/1/539159/100/0/threaded (mailing-list)
- packetstormsecurity.com/files/138244/WebNMS-Framework-5.2-SP1-Traversal-Weak-Ob… (Exploit, VDB Entry, Third Party Advisory)
- blogs.securiteam.com/index.php/archives/2712 (Technical Description, Exploit, Third Party Advisory)
- github.com/pedrib/PoC/blob/master/advisories/webnms-5.2-sp1-pwn.txt (Exploit, Third Party Advisory)
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.