How severe is CVE-2004-1750?

CVE-2004-1750 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2004-1750 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-1750?

CVE-2004-1750 affects Vnc Realvnc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-1750?

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

When was CVE-2004-1750 published?

CVE-2004-1750 was published on 2004-12-31 and last updated on 2026-06-16.

CVE-2004-1750

CVE-2004-1750 is a medium-severity vulnerability in Vnc Realvnc 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% (74th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Vnc Realvnc
Published: 2004-12-31
Last modified: 2026-06-16

Description

RealVNC 4.0 and earlier allows remote attackers to cause a denial of service (crash) via a large number of connections to port 5900.

Frequently asked questions

What is CVE-2004-1750?: RealVNC 4.0 and earlier allows remote attackers to cause a denial of service (crash) via a large number of connections to port 5900.
How severe is CVE-2004-1750?: CVE-2004-1750 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-1750 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1750?: CVE-2004-1750 affects Vnc Realvnc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-1750?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1750 published?: CVE-2004-1750 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:vnc:realvnc:4.0:*:*:*:*:*:*:*

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