CVE-2024-39894
highpriority · track · 1EPSS 0.016 · 76 %ileDEEUNLRUEPSS · scored 2026-10-22
OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry (e.g., for su and Sudo) because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry could occur.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedphoenix_contact_psirt
Update to the latest 2024.0.6 LTS Firmware Release. PHOENIX CONTACT recommends to always use an up-to-date version of the PLCnext Engineer.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (56)
Products and version ranges known to be affected.
- Xerox FreeFlow Print Server v9 for Solarisall versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v9_for_solaris
advisories (4)
Vendor and ecosystem advisories describing this.
- NCSC-2024-0381Kwetsbaarheden verholpen in Apple MacOSNL2024-09-26csaf · ncsc_nlNL
Apple heeft kwetsbaarheden verholpen in MacOS
- VDE-2024-071Phoenix Contact: Multiple Vulnerabilities in PLCnext Firmware2024-12-09csaf · phoenix_contact_psirtDE
Multiple Linux component vulnerabilities fixed in latest PLCnext Firmware release 2024.0.6 LTS
- WID-SEC-W-2024-1514OpenSSH: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2024-07-03csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in OpenSSH ausnutzen, um Informationen offenzulegen.
- WID-SEC-W-2024-2154Apple macOS: Mehrere SchwachstellenDeutsch2024-09-16csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apple macOS ausnutzen, um seine Privilegien zu erhöhen, einen Denial-of-Service-Zustand herbeizuführen, Spoofing-Angriffe durchzuführen, Daten zu ändern, Sicherheitsmaßnahmen zu umgehen und vertrauliche Informationen offenzulegen
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (28)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2024-39894cnnvd
- https://cxsecurity.com/cveshow/CVE-2024-39894/cnnvd
- https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.htmlcnnvd
- https://vigilance.fr/vulnerability/OpenSSH-information-disclosure-via-ObscureKeystrokeTiming-44638cnnvd
- https://www.openssh.com/txt/release-9.8cnnvd
- https://www.openwall.com/lists/oss-security/2024/07/02/1cnnvd
- http://www.openwall.com/lists/oss-security/2024/07/03/6enisa_euvd
- http://www.openwall.com/lists/oss-security/2024/07/23/4enisa_euvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan