The FTP (aka "Implementation of a simple FTP client and server") project through 96c1a35…
Priority HIGH 66Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The FTP (aka "Implementation of a simple FTP client and server") project through 96c1a35 allows remote attackers to cause a denial of service (memory consumption) by engaging in client activity, such as establishing and then terminating a connection. This occurs because malloc is used but free is not.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01589 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ftp_project:ftp:*:*:*:*:*:*:*:* | up to 2012-03-28 | Vulnerable | Ftp Project |
- cpe:2.3:a:ftp_project:ftp:*:*:*:*:*:*:*:* Versions up to 2012-03-28 Vulnerable ·Ftp Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-22551
- 2026-10-03 Alias added: GHSA-524p-63p7-chqx
References
Sources
- CVE-2023-22551 · CVE Program
- CVE-2023-22551 · NVD
- FIRST EPSS
- GHSA-524p-63p7-chqx · GitHub Advisory Database · CC BY 4.0
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