How severe is CVE-2001-0601?

CVE-2001-0601 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-0601 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0601?

CVE-2001-0601 affects Lotus Domino R5 Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0601?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2001-0601 published?

CVE-2001-0601 was published on 2001-08-02 and last updated on 2026-06-16.

CVE-2001-0601

CVE-2001-0601 is a medium-severity vulnerability in Lotus Domino R5 Server with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lotus Domino R5 Server
Published: 2001-08-02
Last modified: 2026-06-16

Description

Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via HTTP requests containing certain combinations of UNICODE characters.

Frequently asked questions

What is CVE-2001-0601?: Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via HTTP requests containing certain combinations of UNICODE characters.
How severe is CVE-2001-0601?: CVE-2001-0601 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-0601 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0601?: CVE-2001-0601 affects Lotus Domino R5 Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0601?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0601 published?: CVE-2001-0601 was published on 2001-08-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:lotus:domino_r5_server:*:*:*:*:*:*:*:*

More vulnerabilities in Lotus Domino R5 Server

CVE-2001-0130 — Critical (CVSS 10.0): Buffer overflow in HTML parser of the Lotus R5 Domino Server before 5.06, and Domino Client before 5.05, allows remote…
CVE-2001-1161 — High (CVSS 7.5): Cross-site scripting (CSS) vulnerability in Lotus Domino 5.0.6 allows remote attackers to execute script on other web…
CVE-2001-0602 — Medium (CVSS 5.0): Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via repeated (>400) URL requests…
CVE-2001-0600 — Medium (CVSS 5.0): Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via repeated URL requests with…
CVE-2001-0604 — Medium (CVSS 5.0): Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via URL requests (>8Kb)…
CVE-2001-0603 — 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 (>…

All CVEs affecting Lotus Domino R5 Server →