CVE-2017-18025: cgi-bin/drknow.cgi in Innotube ITGuard-Manager 0.0.0.1 allows remote attackers to execute arbitrary OS command

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-18025 is a critical-severity flaw (CVSS 9.8) affecting itguard manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

cgi-bin/drknow.cgi in Innotube ITGuard-Manager 0.0.0.1 allows remote attackers to execute arbitrary OS commands via shell metacharacters in the username field, as demonstrated by a username beginning with "admin|" to use the '|' metacharacter.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.3% (top 11%)
CISA exploited list	No
Weakness	CWE-78
Published	2018-01-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: innotube

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

Am I affected?

Timeline

2018-01-09 03:29 UTCPublished CVE record published
2026-06-17 01:12 UTCUpdated Record last modified

innotube itguard manager DOWNGRADE

Affected: 0.0.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.0.0.1

1. Check installed version

apt-cache policy itguard-manager || rpm -q itguard-manager || itguard-manager --version

2. No fixed release: DOWNGRADE to a release before 0.0.0.1 (Debian / Ubuntu)

apt-cache madison itguard-manager sudo apt install itguard-manager=<VERSION_BEFORE_0.0.0.1> sudo apt-mark hold itguard-manager

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list itguard-manager sudo dnf downgrade itguard-manager-<VERSION_BEFORE_0.0.0.1> sudo dnf versionlock add itguard-manager

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2017-18025?

itguard manager: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-18025 being exploited?

CVE-2017-18025 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-2017-18025 affect?

CVE-2017-18025 affects itguard manager. Severity is critical (CVSS 9.8). cgi-bin/drknow.cgi in Innotube ITGuard-Manager 0.0.0.1 allows remote attackers to execute arbitrary OS commands via shell metacharacters in the username field, as demonstrated by a username beginning with "admin|" to use the '|' metacharact

How urgent is CVE-2017-18025?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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