Which products and versions are affected by CVE-2016-6601?

Affected: Webnms Framework (Zohocorp) versions 5.2, 5.2-sp1. The full list is in the CVE brief.

Is CVE-2016-6601 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2016-6601 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2016-6601?

Public exploit code is available.

Is there a fix for CVE-2016-6601?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2016-6601 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2016-6601

HighPublic exploit

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

Published Jan 23, 2017 · Updated May 12, 2026

Key Facts

Patch immediately

CVE-2016-6601 is a high-severity vulnerability (CVSS 7.5 v3) affecting Webnms Framework (Zohocorp).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 98% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3

7.5

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS (30-day exploit likelihood)

98%

Higher than 99.9% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2016-6601 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

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

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Webnms FrameworkZohocorp	5.2, 5.2-sp1	n/a

Timeline

Publicly disclosed
Jan 23, 2017
Last updated
May 12, 2026

Weakness Type

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

6 more references in the full CVE brief

FAQ

Common Questions.

Directory traversal vulnerability in the file download functionality in ZOHO WebNMS Framework 5.2 and 5.2 SP1 allows remote attackers to read arbitrary files via a ..
Affected: Webnms Framework (Zohocorp) versions 5.2, 5.2-sp1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2016-6601 Running On Your Attack Surface?

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