CVE-2001-0603: Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via repeatedly sending l

Q: How do I fix CVE-2001-0603?

domino r5 server: upgrade to newer than 5.0.7. Exact commands for each OS are on this page.

Q: Is CVE-2001-0603 being exploited?

CVE-2001-0603 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2001-0603 affect?

CVE-2001-0603 affects domino r5 server. Severity is medium (CVSS 5.0). Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via repeatedly sending large (> 10Kb) amounts of data to the DIIOP - CORBA service on TCP port 63148.

This month

MEDIUM 5.0UPGRADE

CVE-2001-0603 is a medium-severity flaw (CVSS 5.0) affecting domino r5 server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via repeatedly sending large (> 10Kb) amounts of data to the DIIOP - CORBA service on TCP port 63148.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Published	2001-08-02
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

2001-08-02 04:00 UTCPublished CVE record published
2026-06-16 21:54 UTCUpdated Record last modified

lotus domino r5 server UPGRADE

Affected: <= 5.0.7

Fixed in: newer than 5.0.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy domino-r5-server || rpm -q domino-r5-server || domino-r5-server --version

2. UPGRADE to newer than 5.0.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade domino-r5-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade domino-r5-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2001-0603?

domino r5 server: upgrade to newer than 5.0.7. Exact commands for each OS are on this page.

Is CVE-2001-0603 being exploited?

CVE-2001-0603 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-2001-0603 affect?

CVE-2001-0603 affects domino r5 server. Severity is medium (CVSS 5.0). Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via repeatedly sending large (> 10Kb) amounts of data to the DIIOP - CORBA service on TCP port 63148.

How urgent is CVE-2001-0603?

Priority 40/100. Public exploit reference

Related CVEs

CVE-2001-1161 HIGH 7.5 DOWNGRADE Cross-site scripting (CSS) vulnerability in Lotus Domino 5.0.6 allows remote attackers to execute script on ot
CVE-2001-0604 MEDIUM 5.0 UPGRADE Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via URL requests (>8Kb)
CVE-2001-0602 MEDIUM 5.0 UPGRADE Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via repeated (>400) URL
CVE-2001-0601 MEDIUM 5.0 UPGRADE Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via HTTP requests contai
CVE-2001-0600 MEDIUM 5.0 UPGRADE Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via repeated URL request

References

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