HOMEVULNERABILITIESCVE-2020-6097
HIGH

CVE-2020-6097

CWE-617Published: September 10, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-6097 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

atftp_project1 product(s)
atftp
Debian1 product(s)
debian linux
openSUSE1 product(s)
leap
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

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

All References (6)

→
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00058.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2021/11/msg00014.htmlMailing List · Third Party Advisory
→
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1029Exploit · Technical Description · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00058.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2021/11/msg00014.htmlMailing List · Third Party Advisory
→
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1029Exploit · Technical Description · Third Party Advisory

Quick Facts

CVE IDCVE-2020-6097
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-617
CISA KEVNo
Affected3 vendor(s)
PublishedSep 10, 2020

Related CVEs (CWE-617)

CVE-2019-9795
9.8
CVE-2020-3615
9.8
CVE-2020-6619
8.8
CVE-2020-6617
8.8
CVE-2020-6623
8.8
CVE-2020-12417
8.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-6097 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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