CVE-2001-0968: Knox Arkeia server 4.2, and possibly other versions, installs its root user with a null password by default, w

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HIGH 10.0DOWNGRADE

CVE-2001-0968 is a high-severity flaw (CVSS 10.0) affecting arkeia. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Knox Arkeia server 4.2, and possibly other versions, installs its root user with a null password by default, which allows local and remote users to gain privileges.

Why this priority

Critical severity

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	2.2% (top 18%)
CISA exploited list	No
Published	2001-08-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: knox software

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2001-08-31 04:00 UTCPublished CVE record published
2026-06-16 21:55 UTCUpdated Record last modified

knox software arkeia DOWNGRADE

Affected: 4.2 · 4.2.8.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.2

1. Check installed version

apt-cache policy arkeia || rpm -q arkeia || arkeia --version

2. No fixed release: DOWNGRADE to a release before 4.2 (Debian / Ubuntu)

apt-cache madison arkeia sudo apt install arkeia=<VERSION_BEFORE_4.2> sudo apt-mark hold arkeia

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

dnf --showduplicates list arkeia sudo dnf downgrade arkeia-<VERSION_BEFORE_4.2> sudo dnf versionlock add arkeia

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-2001-0968?

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

Is CVE-2001-0968 being exploited?

CVE-2001-0968 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-2001-0968 affect?

CVE-2001-0968 affects arkeia. Severity is high (CVSS 10.0). Knox Arkeia server 4.2, and possibly other versions, installs its root user with a null password by default, which allows local and remote users to gain privileges.

How urgent is CVE-2001-0968?

Priority 56/100. Critical severity

Related CVEs

CVE-2001-0988 HIGH 7.2 UPGRADE Arkeia backup server 4.2.8-2 and earlier creates its database files with world-writable permissions, which cou
CVE-2001-0967 CRITICAL 9.8 DOWNGRADE Knox Arkeia server 4.2, and possibly other versions, uses a constant salt when encrypting passwords using the
CVE-1999-1534 HIGH 7.2 DOWNGRADE Buffer overflow in (1) nlservd and (2) rnavc in Knox Software Arkeia backup product allows local users to obta
CVE-1999-0788 MEDIUM 5.0 DOWNGRADE Arkiea nlservd allows remote attackers to conduct a denial of service.

References

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