CVE-2001-0786: Internet Software Solutions Air Messenger LAN Server (AMLServer) 3.4.2 stores user passwords in plaintext in t

Routine

MEDIUM 5.0DOWNGRADE

CVE-2001-0786 is a medium-severity flaw (CVSS 5.0) affecting air messenger lan server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Internet Software Solutions Air Messenger LAN Server (AMLServer) 3.4.2 stores user passwords in plaintext in the pUser.Dat file.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Published	2001-10-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: internet software solutions

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

Am I affected?

Timeline

2001-10-18 04:00 UTCPublished CVE record published
2026-06-16 21:54 UTCUpdated Record last modified

internet software solutions air messenger lan server DOWNGRADE

Affected: 3.4.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.4.2

1. Check installed version

apt-cache policy air-messenger-lan-server || rpm -q air-messenger-lan-server || air-messenger-lan-server --version

2. No fixed release: DOWNGRADE to a release before 3.4.2 (Debian / Ubuntu)

apt-cache madison air-messenger-lan-server sudo apt install air-messenger-lan-server=<VERSION_BEFORE_3.4.2> sudo apt-mark hold air-messenger-lan-server

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

dnf --showduplicates list air-messenger-lan-server sudo dnf downgrade air-messenger-lan-server-<VERSION_BEFORE_3.4.2> sudo dnf versionlock add air-messenger-lan-server

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-2001-0786?

air messenger lan server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2001-0786 being exploited?

CVE-2001-0786 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-2001-0786 affect?

CVE-2001-0786 affects air messenger lan server. Severity is medium (CVSS 5.0). Internet Software Solutions Air Messenger LAN Server (AMLServer) 3.4.2 stores user passwords in plaintext in the pUser.Dat file.

How urgent is CVE-2001-0786?

Priority 34/100. No elevated risk signals yet.

Related CVEs

CVE-2001-0788 MEDIUM 5.0 DOWNGRADE Internet Software Solutions Air Messenger LAN Server (AMLServer) 3.4.2 allows remote attackers to obtain an ab
CVE-2001-0785 MEDIUM 5.0 DOWNGRADE Directory traversal in Webpaging interface in Internet Software Solutions Air Messenger LAN Server (AMLServer)

References

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