CVE-2016-6534: Opmantek NMIS before 4.3.7c has command injection via man, finger, ping, trace, and nslookup in the tools.pl C

Q: How do I fix CVE-2016-6534?

network management information system: upgrade to newer than 8.5.10g. Exact commands for each OS are on this page.

Q: Is CVE-2016-6534 being exploited?

CVE-2016-6534 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2016-6534 affect?

CVE-2016-6534 affects network management information system. Severity is high (CVSS 7.5). Opmantek NMIS before 4.3.7c has command injection via man, finger, ping, trace, and nslookup in the tools.pl CGI script. Versions before 8.5.12G might be affected in non-default configurations.

This month

HIGH 7.5UPGRADE

CVE-2016-6534 is a high-severity flaw (CVSS 7.5) affecting network management information system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Opmantek NMIS before 4.3.7c has command injection via man, finger, ping, trace, and nslookup in the tools.pl CGI script. Versions before 8.5.12G might be affected in non-default configurations.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-77
Published	2017-04-10
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: opmantek

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-04-10 03:59 UTCPublished CVE record published
2026-06-17 00:51 UTCUpdated Record last modified

opmantek network management information system UPGRADE

Affected: <= 4.3.6f · <= 8.5.10g

Fixed in: newer than 8.5.10g

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy network-management-information-system || rpm -q network-management-information-system || network-management-information-system --version

2. UPGRADE to newer than 8.5.10g (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade network-management-information-system

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade network-management-information-system

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2016-6534?

network management information system: upgrade to newer than 8.5.10g. Exact commands for each OS are on this page.

Is CVE-2016-6534 being exploited?

CVE-2016-6534 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2016-6534 affect?

CVE-2016-6534 affects network management information system. Severity is high (CVSS 7.5). Opmantek NMIS before 4.3.7c has command injection via man, finger, ping, trace, and nslookup in the tools.pl CGI script. Versions before 8.5.12G might be affected in non-default configurations.

How urgent is CVE-2016-6534?

Priority 43/100. High severity

Related CVEs

CVE-2016-5642 MEDIUM 5.4 UPGRADE Opmantek NMIS before 8.5.12G has XSS via SNMP.

References

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