How severe is CVE-2006-6558?

CVE-2006-6558 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2006-6558 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6558?

CVE-2006-6558 affects Crob Crob Ftp Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-6558?

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

When was CVE-2006-6558 published?

CVE-2006-6558 was published on 2006-12-14 and last updated on 2026-06-16.

CVE-2006-6558

CVE-2006-6558 is a medium-severity vulnerability in Crob Crob Ftp 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: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Crob Crob Ftp Server
Published: 2006-12-14
Last modified: 2026-06-16

Description

Crob FTP Server 3.6.1 b.263 allows remote attackers to cause a denial of service via a long series of "?A" sequences in the (1) LIST and possibly (2) NLST command.

Frequently asked questions

What is CVE-2006-6558?: Crob FTP Server 3.6.1 b.263 allows remote attackers to cause a denial of service via a long series of "?A" sequences in the (1) LIST and possibly (2) NLST command.
How severe is CVE-2006-6558?: CVE-2006-6558 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-6558 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6558?: CVE-2006-6558 affects Crob Crob Ftp Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-6558?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6558 published?: CVE-2006-6558 was published on 2006-12-14 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:crob:crob_ftp_server:3.6.1_b.263:*:*:*:*:*:*:*

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