SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-6600

Directory traversal vulnerability in the file upload functionality in ZOHO WebNMS Framework 5.2 and 5.2 SP1 allows remote attackers to upload and execute arbitrary JSP files via a ..

EXPLOITCRITICAL 9.8EPSS 90.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 90.8%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

Directory traversal vulnerability in the file upload functionality in ZOHO WebNMS Framework 5.2 and 5.2 SP1 allows remote attackers to upload and execute arbitrary JSP files via a .. (dot dot) in the fileName parameter to servlets/FileUploadServlet.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
90.80% probability · 100th percentile
Public exploits
1 in Exploit-DB · first 10 August 2016
CISA KEV
Not listed
Weakness
CWE-22
Affected
zohocorp/webnms framework
Source
cve@mitre.org
EPSS trend
0%48%95%21 September 2026: 87.96%22 September 2026: 90.55%4 November 2026: 90.80%21 September 20264 November 2026

EPSS moved from 88.0% on 21 September 2026 to 90.8% on 4 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-40229source ↗WebNMS Framework Server 5.2/5.2 SP1 - Multiple Vulnerabilitiesjsp · Pedro Ribeirowebapps10 August 2016no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.