What’s Vulnerable › Vulnerabilities

CVE-2020-6097

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-10 · updated 2026-06-17
• Weakness: CWE-617

Description

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.

Affected products

• Atftp Project Atftp: 0.7.git20120829-3.1+b1
• Debian Linux: 9.0
• openSUSE Leap: 15.2

References

• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00058.html
• https://lists.debian.org/debian-lts-announce/2021/11/msg00014.html
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1029
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00058.html
• https://lists.debian.org/debian-lts-announce/2021/11/msg00014.html
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1029

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