CVE catalog

CVE-2020-6097

atftp: CVE-2020-6097

[CVE catalog]

Severity
Medium
Published
Source
[NVD] · [CVE record]
EPSS
2.15% · Oct 22, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianatftpsid0.8.1-2fixed
Debianatftpforky0.8.1-2fixed
Debianatftptrixie0.8.0-8fixed
Debianatftpbookworm0.8.0-3fixed
Ubuntuatftppro0.7.git20120829-3vulnerable
Ubuntuatftppro0.7.git20120829-3.1~0.18.04.1vulnerable
Ubuntuatftppro0.7.git20120829-3.1~0.18.04.1+esm1fixed
Ubuntuatftp20.040.7.git20120829-3.1vulnerable
Ubuntuatftp20.040.7.git20120829-3.1ubuntu0.1fixed
Ubuntuatftppro0.7.git20120829-3vulnerable
Ubuntuatftppro0.7.git20120829-3.1~0.18.04.1vulnerable
Ubuntuatftppro0.7.git20120829-3.1~0.18.04.1+esm1fixed
Ubuntuatftp20.040.7.git20120829-3.1vulnerable
Ubuntuatftp20.040.7.git20120829-3.1ubuntu0.1fixed
Opensuseatftpleap 15.20.7.2-lp152.2.3.1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianatftpsourcesid0.7.git20120829-3.2not yet assignedNot reported[970066]
Debianatftpsourceforky0.7.git20120829-3.2not yet assignedNot reported[970066]
Debianatftpsourcetrixie0.7.git20120829-3.2not yet assignedNot reported[970066]
Debianatftpsourcebookworm0.7.git20120829-3.2not yet assignedNot reported[970066]
Ubuntuatftpdebpro0.7.git20120829-3.1~0.18.04.1+esm1Not reportedUSN-6334-1Not reported
Ubuntuatftpdeb20.040.7.git20120829-3.1ubuntu0.1Not reportedUSN-6334-1Not reported
Ubuntuatftpdebpro0.7.git20120829-3.1~0.18.04.1+esm1Not reportedUBUNTU-CVE-2020-6097Not reported
Ubuntuatftpdeb20.040.7.git20120829-3.1ubuntu0.1Not reportedUBUNTU-CVE-2020-6097Not reported
Opensuseatftprpmleap 15.20.7.2-lp152.2.3.1Not reportedOPENSUSE-SU-2020:1736-1Not reported

[Debian bug #970066]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [atftp]Fixed
    Details (2)

    • 0.8.0-3 · amd64 · bookworm

      Fixed · Fixed: 0.7.git20120829-3.2

      dsa · atftp · debian · bookworm; dsa · atftp · debian · 12

    • 0.8.0-3 · arm64 · bookworm

      Fixed · Fixed: 0.7.git20120829-3.2

      dsa · atftp · debian · bookworm; dsa · atftp · debian · 12

  • [atftpd]Fixed

    Source package: [atftp]

    Details (2)

    • 0.8.0-3 · amd64 · bookworm

      Fixed · Fixed: 0.7.git20120829-3.2

      dsa · atftp · debian · bookworm; dsa · atftp · debian · 12

    • 0.8.0-3 · arm64 · bookworm

      Fixed · Fixed: 0.7.git20120829-3.2

      dsa · atftp · debian · bookworm; dsa · atftp · debian · 12

[Debian 13 (Trixie)]

  • [atftp]Fixed
    Details (2)

    • 0.8.0-8 · amd64 · trixie

      Fixed · Fixed: 0.7.git20120829-3.2

      dsa · atftp · debian · 13

    • 0.8.0-8 · arm64 · trixie

      Fixed · Fixed: 0.7.git20120829-3.2

      dsa · atftp · debian · 13

  • [atftpd]Fixed

    Source package: [atftp]

    Details (2)

    • 0.8.0-8 · amd64 · trixie

      Fixed · Fixed: 0.7.git20120829-3.2

      dsa · atftp · debian · 13

    • 0.8.0-8 · arm64 · trixie

      Fixed · Fixed: 0.7.git20120829-3.2

      dsa · atftp · debian · 13

Observed:

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]