CVE-2001-0009: Directory traversal vulnerability in Lotus Domino 5.0.5 web server allows remote attackers to read arbitrary f

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MEDIUM 5.0DOWNGRADE

CVE-2001-0009 is a medium-severity flaw (CVSS 5.0) affecting domino server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in Lotus Domino 5.0.5 web server allows remote attackers to read arbitrary files via a .. attack.

Why this priority

EPSS top 5%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	9.3% (top 5%)
CISA exploited list	No
Published	2001-02-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: lotus

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

Am I affected?

Timeline

2001-02-12 05:00 UTCPublished CVE record published
2026-06-16 21:53 UTCUpdated Record last modified

lotus domino server DOWNGRADE

Affected: 5.0.2 · 5.0.3 · 5.0.5 · 5.0.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0.2

1. Check installed version

apt-cache policy domino-server || rpm -q domino-server || domino-server --version

2. No fixed release: DOWNGRADE to a release before 5.0.2 (Debian / Ubuntu)

apt-cache madison domino-server sudo apt install domino-server=<VERSION_BEFORE_5.0.2> sudo apt-mark hold domino-server

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

dnf --showduplicates list domino-server sudo dnf downgrade domino-server-<VERSION_BEFORE_5.0.2> sudo dnf versionlock add domino-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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Lotus Domino Server 5.0.x - Directory Traversal (1)
Exploit-DB: Lotus Domino Server 5.0.x - Directory Traversal (2)

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-2001-0009?

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

Is CVE-2001-0009 being exploited?

CVE-2001-0009 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-2001-0009 affect?

CVE-2001-0009 affects domino server. Severity is medium (CVSS 5.0). Directory traversal vulnerability in Lotus Domino 5.0.5 web server allows remote attackers to read arbitrary files via a .. attack.

How urgent is CVE-2001-0009?

Priority 46/100. EPSS top 5%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2003-1408 MEDIUM 5.0 DOWNGRADE Lotus Domino Server 5.0 and 6.0 allows remote attackers to read the source code for files via an HTTP request
CVE-2000-0023 MEDIUM 5.0 DOWNGRADE Buffer overflow in Lotus Domino HTTP server allows remote attackers to cause a denial of service via a long UR
CVE-2000-0022 MEDIUM 5.0 DOWNGRADE Lotus Domino HTTP server does not properly disable anonymous access for the cgi-bin directory.
CVE-2000-0021 MEDIUM 5.0 DOWNGRADE Lotus Domino HTTP server allows remote attackers to determine the real path of the server via a request to a n

References

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