Reachable assertion in atftpd
Priority LOW 37CWE-617Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-617.
Summary
An exploitable denial of service vulnerability exists in the atftpd daemon functionality of atftp 0.7.git20120829-3.1+b1. A specially crafted sequence of RRQ-Multicast requests trigger an assert() call resulting in denial-of-service. An attacker can send a sequence of malicious packets to trigger this vulnerability.
Why it matters now
EPSS 0.02154 82nd 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
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | atftpd | atftp 0.7.git20120829-3.1+b1 | — | No fix listed | CNA |
- atftpd Vendor— Affected atftp 0.7.git20120829-3.1+b1 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:atftp_project:atftp:0.7.git20120829-3.1\+b1:*:*:*:*:*:*:* | 0.7.git20120829-3.1+b1 | Vulnerable | Atftp Project |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* | 15.2 | Vulnerable | openSUSE |
- cpe:2.3:a:atftp_project:atftp:0.7.git20120829-3.1\+b1:*:*:*:*:*:*:* Versions 0.7.git20120829-3.1+b1 Vulnerable ·Atftp Project
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* Versions 15.2 Vulnerable ·openSUSE
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-6097
- 2026-10-03 Alias added: GHSA-g854-fc3p-gq33
References
Sources
- CVE-2020-6097 · CVE Program
- CVE-2020-6097 · NVD
- FIRST EPSS
- GHSA-g854-fc3p-gq33 · GitHub Advisory Database · CC BY 4.0
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