How severe is CVE-2001-1156?

CVE-2001-1156 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-1156 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1156?

CVE-2001-1156 affects Typsoft Typsoft Ftp Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-1156?

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

When was CVE-2001-1156 published?

CVE-2001-1156 was published on 2001-10-08 and last updated on 2026-06-16.

CVE-2001-1156

CVE-2001-1156 is a medium-severity vulnerability in Typsoft Typsoft 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: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Typsoft Typsoft Ftp Server
Published: 2001-10-08
Last modified: 2026-06-16

Description

TYPSoft FTP 0.95 allows remote attackers to cause a denial of service (CPU consumption) via a "../../*" argument to (1) STOR or (2) RETR.

Frequently asked questions

What is CVE-2001-1156?: TYPSoft FTP 0.95 allows remote attackers to cause a denial of service (CPU consumption) via a "../../*" argument to (1) STOR or (2) RETR.
How severe is CVE-2001-1156?: CVE-2001-1156 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-1156 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1156?: CVE-2001-1156 affects Typsoft Typsoft Ftp Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-1156?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1156 published?: CVE-2001-1156 was published on 2001-10-08 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:typsoft:typsoft_ftp_server:0.95:*:*:*:*:*:*:*

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