KiTTY versions 0.76.1.13 and before is vulnerable to command injection via the filename…
Priority HIGH 69CWE-77Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-77.
Summary
KiTTY versions 0.76.1.13 and before is vulnerable to command injection via the filename variable, occurs due to insufficient input sanitization and validation, failure to escape special characters, and insecure system calls (at lines 2369-2390). This allows an attacker to add inputs inside the filename variable, leading to arbitrary code execution.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.04692 91st percentileScored 2026-11-07
Public exploit Yes 4 exploit referencesTagged 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
- Total
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-23749
- 2026-10-03 Alias added: GHSA-5frx-8vj6-294f
References
Exploit 4
- http://packetstormsecurity.com/files/177031/KiTTY-0.76.1.13-Command-Injection.html
- https://blog.defcesco.io/CVE-2024-23749
- 20240213 Command Injection Vulnerability in KiTTY Get Remote File Through SCP Input (CVE-2024-23749)
- 20240213 Buffer Overflow Vulnerabilities in KiTTY Start Duplicated Session Hostname (CVE-2024-25003) & Username (CVE-2024-25004) Variables
More 9bis Kitty vulnerabilities
- TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
- TI-2024-16494 KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via… CVSS 3.1HIGH 7.8
- TI-2024-16493 KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via… CVSS 3.1HIGH 7.8
- TI-2016-02308 Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2024-23749 · CVE Program
- CVE-2024-23749 · NVD
- FIRST EPSS
- GHSA-5frx-8vj6-294f · GitHub Advisory Database · CC BY 4.0
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