For a short time they PTY is set to mode 666, allowing any user on the system to connect to the screen session.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2025:02016-1 advisory.

    Security issues fixed:

    - CVE-2025-46802: temporary `chmod` of a user's TTY to mode 0666 when attempting to attach to a multi-user     session       allows for TTY hijacking (bsc#1242269).

    Other issues fixed:

    - Use TTY file descriptor passing after a suspend (`MSG_CONT`).
    - Fix resume after suspend in multi-user mode.

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of screen installed on the remote host is prior to 4.1.0-0.27.20120314git3c2946. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-2878 advisory.

    TTY Hijacking while Attaching to a Multiuser Session in the screen package

    Has potential to break some reattach use cases, but the specific use case was broken already before.screen     in Debian not installed setuid or setgidDEBIANBUG: [1105191]

    Info: https://www.openwall.com/lists/oss-security/2025/05/12/1Patch:
    https://git.savannah.gnu.org/cgit/screen.git/commit/?id=049b26b22e197ba3be9c46e5c193032e01a4724a     (CVE-2025-46802)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1006 advisory.

    TTY Hijacking while Attaching to a Multiuser Session in the screen package

    Has potential to break some reattach use cases, but the specific use case was broken already before.screen     in Debian not installed setuid or setgidDEBIANBUG: [1105191]

    Info: https://www.openwall.com/lists/oss-security/2025/05/12/1Patch:
    https://git.savannah.gnu.org/cgit/screen.git/commit/?id=049b26b22e197ba3be9c46e5c193032e01a4724a     (CVE-2025-46802)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 4abd86c1-366d-11f0-9c0c-000c29ffbb6c advisory.

    The screen project reports:
    Multiple security issues in screen.

Tenable has extracted the preceding description block directly from the FreeBSD security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of screen installed on the remote host is prior to 4.9.1 / 5.0.1. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2025-133-01 advisory.

    New screen packages are available for Slackware 15.0 and -current to fix security issues.

Tenable has extracted the preceding description block directly from the screen security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
240554	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : screen (SUSE-SU-2025:02016-1)	Nessus	SuSE Local Security Checks	medium
238364	Amazon Linux 2 : screen (ALAS-2025-2878)	Nessus	Amazon Linux Local Security Checks	medium
238263	Amazon Linux 2023 : screen (ALAS2023-2025-1006)	Nessus	Amazon Linux Local Security Checks	medium
237154	FreeBSD : screen -- multiple vulnerabilities (4abd86c1-366d-11f0-9c0c-000c29ffbb6c)	Nessus	FreeBSD Local Security Checks	critical
235876	Slackware Linux 15.0 / current screen Multiple Vulnerabilities (SSA:2025-133-01)	Nessus	Slackware Local Security Checks	critical

Detections

Analytics

CVE-2025-46802

medium

Tenable Plugins

medium

medium

medium

critical

critical