8.8
HIGH
CVE-2021-3621
Apache SSSD Shell Command Injection Vulnerability
Description

A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

INFO

Published Date :

Dec. 23, 2021, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 6:22 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-3621 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux
2 Redhat enterprise_linux_server_aus
3 Redhat enterprise_linux_server_tus
4 Redhat enterprise_linux_eus
5 Redhat virtualization
6 Redhat virtualization_host
1 Fedoraproject fedora
2 Fedoraproject sssd
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-3621.

URL Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1975142 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html Third Party Advisory
https://sssd.io/release-notes/sssd-2.6.0.html Release Notes Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1975142 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html Third Party Advisory
https://sssd.io/release-notes/sssd-2.6.0.html Release Notes Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-3621 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3621 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1975142
    Added Reference https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html
    Added Reference https://sssd.io/release-notes/sssd-2.6.0.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Mar. 04, 2024

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:sssd:sssd:2.6.0:*:*:*:*:*:*:* OR *cpe:2.3:a:fedoraproject:sssd:2.6.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 29, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html [No Types Assigned]
  • Reanalysis by [email protected]

    Oct. 24, 2022

    Action Type Old Value New Value
    Added CWE NIST CWE-78
  • Initial Analysis by [email protected]

    Jan. 07, 2022

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1975142 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1975142 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://sssd.io/release-notes/sssd-2.6.0.html No Types Assigned https://sssd.io/release-notes/sssd-2.6.0.html Release Notes, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:sssd:sssd:2.6.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-3621 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.49 }} 0.14%

score

0.75742

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability