The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:4837 advisory.

    Mailman is a program used to help manage e-mail discussion lists.

    Security Fix(es):

    * mailman: CSRF token bypass allows to perform CSRF attacks and account takeover (CVE-2021-42097)

    * mailman: CSRF token derived from admin password allows offline brute-force attack (CVE-2021-42096)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:4826 advisory.

    Mailman is a program used to help manage e-mail discussion lists.

    Security Fix(es):

    * mailman: CSRF token bypass allows to perform CSRF attacks and account takeover (CVE-2021-42097)

    * mailman: CSRF token derived from admin password allows offline brute-force attack (CVE-2021-42096)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 remote Debian 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-2791 advisory.

  - GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived     from the admin password, and may be useful in conducting a brute-force attack against that password.
    (CVE-2021-42096)

  - GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A csrf_token value is not specific to a     single user account. An attacker can obtain a value within the context of an unprivileged user account,     and then use that value in a CSRF attack against an admin (e.g., for account takeover). (CVE-2021-42097)

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

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2022:0194 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2021-42096:
    GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived     from the admin password, and may be useful in conducting a brute-force attack against that password.

    CVE-2021-42097:
    GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A csrf_token value is not specific to a     single user account. An attacker can obtain a value within the context of an unprivileged user account,     and then use that value in a CSRF attack against an admin (e.g., for account takeover).

    CVE-2021-44227:
    In GNU Mailman before 2.1.38, a list member or moderator can get a CSRF token and craft an admin request     (using that token) to set a new admin password or make other changes.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux 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 Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-093169 advisory.

    GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived     from the admin password, and may be useful in conducting a brute-force attack against that password.

Tenable has extracted the preceding description block directly from the Unity Linux 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 remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:4839 advisory.

    Mailman is a program used to help manage e-mail discussion lists.

    Security Fix(es):

    * mailman: CSRF token bypass allows to perform CSRF attacks and account takeover (CVE-2021-42097)

    * mailman: CSRF token derived from admin password allows offline brute-force attack (CVE-2021-42096)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 remote Ubuntu 16.04 ESM / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5121-1 advisory.

    Andre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman did not properly associate cross-     site request forgery (CSRF) tokens to specific accounts. A remote attacker could use this to perform a     CSRF attack to gain access to another account. (CVE-2021-42097)

    Andre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman's cross-site request forgery (CSRF)     tokens for the options page are derived from the admin password. A remote attacker could possibly use this     to assist in performing a brute force attack against the admin password. (CVE-2021-42096)

Tenable has extracted the preceding description block directly from the Ubuntu 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 remote SUSE Linux SUSE15 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1436-1 advisory.

  - GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived     from the admin password, and may be useful in conducting a brute-force attack against that password.
    (CVE-2021-42096)

  - GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A csrf_token value is not specific to a     single user account. An attacker can obtain a value within the context of an unprivileged user account,     and then use that value in a CSRF attack against an admin (e.g., for account takeover). (CVE-2021-42097)

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

ID	名稱	產品	系列	已發布	已更新	嚴重性
155718	RHEL 8 : mailman:2.1 (RHSA-2021:4837)	Nessus	Red Hat Local Security Checks	2021/11/29	2024/11/7	high
165117	RHEL 8 : mailman:2.1 (RHSA-2021:4826)	Nessus	Red Hat Local Security Checks	2022/9/15	2024/11/7	high
154427	Debian DLA-2791-1 : mailman - LTS security update	Nessus	Debian Local Security Checks	2021/10/26	2022/1/20	high
236005	Alibaba Cloud Linux 3 : 0194: mailman:2.1 (ALINUX3-SA-2022:0194)	Nessus	Alibaba Cloud Linux Local Security Checks	2025/5/14	2025/5/14	high
340565	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: mailman (UTSA-2026-093169)	Nessus	Unity Linux Local Security Checks	2026/8/26	2026/8/28	medium
155719	RHEL 8 : mailman:2.1 (RHSA-2021:4839)	Nessus	Red Hat Local Security Checks	2021/11/29	2024/11/7	high
154337	Ubuntu 16.04 ESM / 18.04 LTS : Mailman vulnerabilities (USN-5121-1)	Nessus	Ubuntu Local Security Checks	2021/10/22	2024/8/27	high
154865	openSUSE 15 Security Update : mailman (openSUSE-SU-2021:1436-1)	Nessus	SuSE Local Security Checks	2021/11/3	2022/1/20	high

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