CVE-2018-16499

mediumpriority · track · 24EPSS 0.003 · 24 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.31% (24th) EPSS

CVSS 4.3 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

In VOS compromised, an attacker at network endpoints can possibly view communications between an unsuspecting user and the service using man-in-the-middle attacks. Usage of unapproved SSH encryption protocols or cipher suites also violates the Data Protection TSR (Technical Security Requirements).

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.15.4mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-326USprimary

affected products (2)

Products and version ranges known to be affected.

n/a Versa VOS≤ Fixed Versions: 16.1R2S11, 20.2.2, 21.1.1, 21.2.1enisa_euvdEU
versa-networks versa operating systemall versionsnvdUScpe:2.3:o:versa-networks:versa_operating_system:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-05-26modified 2026-06-17

related (696)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2018-18325US	high7.5OT critical	74.0% (99th)	KEV	2019-07-03
DNN (aka DotNetNuke) 9.2 through 9.2.2 uses a weak encryption algorithm to protect input parameters. NOTE: this issue exists because of an incomplete fix for CVE-2018-15811.
CVE-2018-15811US	high7.5OT critical	76.3% (100th)	KEV	2019-07-03
DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.
CVE-2017-1000486US	critical9.8OT critical	94.1% (100th)	KEV	2018-01-03
Primetek Primefaces 5.x is vulnerable to a weak encryption flaw resulting in remote code execution
CVE-2017-11317US	critical9.8OT critical	84.2% (100th)	KEV	2017-08-23
Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX before R1 2017 and R2 before R2 2017 SP2 uses weak RadAsyncUpload encryption, which allows remote attackers to perform arbitr…
CVE-2016-2183US	high7.5OT high	94.7% (100th)	Exploit	2016-09-01
The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other protocols and products, have a birthday bound of approximately four billion blocks, which mak…

+691 more

references (4)

External citations — patches, advisories, analysis.

https://hackerone.com/reports/1168196 cnnvd
https://versa-networks.com/Patchcnnvd
https://hackerone.com/reports/1168196 enisa_euvd
https://hackerone.com/reports/1168196Third Party Advisorynvd

scry

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