CVE-2004-2111
HighPublic exploitStack-based buffer overflow in the site chmod command in Serv-U FTP Server before 4.2 allows remote attackers to execute arbitrary code via a long filename.
Published Dec 31, 2004 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2004-2111 is a high-severity vulnerability (CVSS 8.5 v2) affecting Serv-U File Server (Solarwinds).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 87% probability of exploitation in the next 30 days.
- Fixed versions are available, including Serv-U File Server 4.1.0.3.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
8.5
AV:N/AC:M/Au:S/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
87%
Higher than 99.7% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
Stack-based buffer overflow in the site chmod command in Serv-U FTP Server before 4.2 allows remote attackers to execute arbitrary code via a long filename.
Affected Products
8 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Serv-U File ServerSolarwinds | 3.0.0.16, 3.0.0.17, 3.1.0.0, 3.1.0.1, 3.1.0.3, 4.0.0.4, 4.1.0.0 | 4.1.0.3 |
Patched Releases
Serv-U File Server
4.1.0.3
Timeline
Publicly disclosed
Dec 31, 2004
Last updated
Apr 15, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- exploit20040124 [SST]ServU MDTM command remote buffero verflow adv
- exploitMSF servu_chmod.rb
- exploitExploitDB-149
- exploitExploitDB-18190
- exploitExploitDB-23591
FAQ
Common Questions.
Stack-based buffer overflow in the site chmod command in Serv-U FTP Server before 4.2 allows remote attackers to execute arbitrary code via a long filename.
Affected: Serv-U File Server (Solarwinds) versions 3.0.0.16, 3.0.0.17, 3.1.0.0, 3.1.0.1, 3.1.0.3, 4.0.0.4, 4.1.0.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Serv-U File Server 4.1.0.3.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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