How severe is CVE-2004-1135?

CVE-2004-1135 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2004-1135 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 50% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-1135?

CVE-2004-1135 affects Ipswitch Ws Ftp Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-1135?

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

When was CVE-2004-1135 published?

CVE-2004-1135 was published on 2005-01-10 and last updated on 2026-06-16.

CVE-2004-1135

CVE-2004-1135 is a medium-severity vulnerability in Ipswitch Ws Ftp Server with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 50% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 50% (99th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ipswitch Ws Ftp Server
Published: 2005-01-10
Last modified: 2026-06-16

Description

Multiple buffer overflows in WS_FTP Server 5.03 2004.10.14 allow remote attackers to cause a denial of service (service crash) via long (1) SITE, (2) XMKD, (3) MKD, and (4) RNFR commands.

Frequently asked questions

What is CVE-2004-1135?: Multiple buffer overflows in WS_FTP Server 5.03 2004.10.14 allow remote attackers to cause a denial of service (service crash) via long (1) SITE, (2) XMKD, (3) MKD, and (4) RNFR commands.
How severe is CVE-2004-1135?: CVE-2004-1135 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-1135 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 50% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1135?: CVE-2004-1135 affects Ipswitch Ws Ftp Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-1135?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1135 published?: CVE-2004-1135 was published on 2005-01-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ipswitch:ws_ftp_server:5.03:*:*:*:*:*:*:*

More vulnerabilities in Ipswitch Ws Ftp Server

CVE-2019-12144 — Critical (CVSS 9.8): An issue was discovered in SSHServerAPI.dll in Progress ipswitch WS_FTP Server 2018 before 8.6.1. Attackers have the…
CVE-2019-12146 — Critical (CVSS 9.1): A Directory Traversal issue was discovered in SSHServerAPI.dll in Progress ipswitch WS_FTP Server 2018 before 8.6.1.…
CVE-2019-12145 — High (CVSS 7.5): A Directory Traversal issue was discovered in SSHServerAPI.dll in Progress ipswitch WS_FTP Server 2018 before 8.6.1. An…
CVE-2006-4974 — High (CVSS 7.5): Buffer overflow in Ipswitch WS_FTP Limited Edition (LE) 5.08 allows remote FTP servers to execute arbitrary code via a…
CVE-2004-1884 — High (CVSS 7.5): Ipswitch WS_FTP Server 4.0.2 has a backdoor XXSESS_MGRYY username with a default password, which allows remote…
CVE-2003-0772 — High (CVSS 7.5): Multiple buffer overflows in WS_FTP 3 and 4 allow remote authenticated users to cause a denial of service and possibly…

All CVEs affecting Ipswitch Ws Ftp Server →