CVE-2002-1972: Unknown vulnerability in Parallel port powerSwitch (aka pp_powerSwitch) 0.1 does not properly enforce access c

Routine

MEDIUM 4.6DOWNGRADE

CVE-2002-1972 is a medium-severity flaw (CVSS 4.6) affecting pp powerswitch. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unknown vulnerability in Parallel port powerSwitch (aka pp_powerSwitch) 0.1 does not properly enforce access controls, which allows local users to access arbitrary ports.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.6 (Medium)
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sebastian dehne

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

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:00 UTCUpdated Record last modified

sebastian dehne pp powerswitch DOWNGRADE

Affected: 0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1

1. Check installed version

apt-cache policy pp-powerswitch || rpm -q pp-powerswitch || pp-powerswitch --version

2. No fixed release: DOWNGRADE to a release before 0.1 (Debian / Ubuntu)

apt-cache madison pp-powerswitch sudo apt install pp-powerswitch=<VERSION_BEFORE_0.1> sudo apt-mark hold pp-powerswitch

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

dnf --showduplicates list pp-powerswitch sudo dnf downgrade pp-powerswitch-<VERSION_BEFORE_0.1> sudo dnf versionlock add pp-powerswitch

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-2002-1972?

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

Is CVE-2002-1972 being exploited?

CVE-2002-1972 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-2002-1972 affect?

CVE-2002-1972 affects pp powerswitch. Severity is medium (CVSS 4.6). Unknown vulnerability in Parallel port powerSwitch (aka pp_powerSwitch) 0.1 does not properly enforce access controls, which allows local users to access arbitrary ports.

How urgent is CVE-2002-1972?

Priority 23/100. No elevated risk signals yet.

References

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