How severe is CVE-2000-0564?

CVE-2000-0564 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2000-0564 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0564?

CVE-2000-0564 primarily affects Mirabilis Icq. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0564?

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

When was CVE-2000-0564 published?

CVE-2000-0564 was published on 2000-05-29 and last updated on 2026-06-16.

CVE-2000-0564

CVE-2000-0564 is a medium-severity vulnerability in Mirabilis Icq 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: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mirabilis Icq
Published: 2000-05-29
Last modified: 2026-06-16

Description

The guestbook CGI program in ICQ Web Front service for ICQ 2000a, 99b, and others allows remote attackers to cause a denial of service via a URL with a long name parameter.

Frequently asked questions

What is CVE-2000-0564?: The guestbook CGI program in ICQ Web Front service for ICQ 2000a, 99b, and others allows remote attackers to cause a denial of service via a URL with a long name parameter.
How severe is CVE-2000-0564?: CVE-2000-0564 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2000-0564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0564?: CVE-2000-0564 primarily affects Mirabilis Icq. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0564?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-0564 published?: CVE-2000-0564 was published on 2000-05-29 and last updated on 2026-06-16.

References

http://archives.neohapsis.com/archives/ntbugtraq/2000-q2/0218.html

Affected products (6)

cpe:2.3:a:mirabilis:icq:0.99b_1.1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:mirabilis:icq:0.99b_v.3.19:*:*:*:*:*:*:*
cpe:2.3:a:mirabilis:icq:98.0a:*:*:*:*:*:*:*
cpe:2.3:a:mirabilis:icq:99a_2.15build1701:*:*:*:*:*:*:*
cpe:2.3:a:mirabilis:icq:99a_2.21build1800:*:*:*:*:*:*:*
cpe:2.3:a:mirabilis:icq:2000.0a:*:*:*:*:*:*:*

More vulnerabilities in Mirabilis Icq

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CVE-2003-0235 — High (CVSS 7.5): Format string vulnerability in POP3 client for Mirabilis ICQ Pro 2003a allows remote malicious servers to execute…
CVE-2003-0237 — High (CVSS 7.5): The "ICQ Features on Demand" functionality for Mirabilis ICQ Pro 2003a does not properly verify the authenticity of…
CVE-2003-0236 — High (CVSS 7.5): Integer signedness errors in the POP3 client for Mirabilis ICQ Pro 2003a allow remote attackers to execute arbitrary…
CVE-2002-0028 — High (CVSS 7.5): Buffer overflow in ICQ before 2001B Beta v5.18 Build #3659 allows remote attackers to execute arbitrary code via a…

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