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7.8
HIGH CVSS 3.1
CVE-2021-25321
SUSE Linux Enterprise Server Arpwatch Symlink Escalation
Description

A UNIX Symbolic Link (Symlink) Following vulnerability in arpwatch of SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server 4.0, SUSE OpenStack Cloud Crowbar 9; openSUSE Factory, Leap 15.2 allows local attackers with control of the runtime user to run arpwatch as to escalate to root upon the next restart of arpwatch. This issue affects: SUSE Linux Enterprise Server 11-SP4-LTSS arpwatch versions prior to 2.1a15. SUSE Manager Server 4.0 arpwatch versions prior to 2.1a15. SUSE OpenStack Cloud Crowbar 9 arpwatch versions prior to 2.1a15. openSUSE Factory arpwatch version 2.1a15-169.5 and prior versions. openSUSE Leap 15.2 arpwatch version 2.1a15-lp152.5.5 and prior versions.

INFO

Published Date :

June 30, 2021, 9:15 a.m.

Last Modified :

Nov. 21, 2024, 5:54 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2021-25321 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 Suse linux_enterprise_server
2 Suse manager_server
3 Suse arpwatch
4 Suse openstack_cloud_crowbar
1 Opensuse leap
2 Opensuse factory
3 Opensuse openldap2
: Total Affected Vendor : 2 | Products : 7
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
Solution
A vulnerability in arpwatch allows for privilege escalation; updating the affected packages addresses the issue.
  • Update the arpwatch package.
  • Update the arpwatch-ethercodes-build package if installed.
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-2021-25321.

URL Resource
https://bugzilla.suse.com/show_bug.cgi?id=1186240 Exploit Issue Tracking Vendor Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1186240 Exploit Issue Tracking Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-25321 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-25321 weaknesses.

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-2021-25321 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2021-25321 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.suse.com/show_bug.cgi?id=1186240
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Jun. 22, 2023

    Action Type Old Value New Value
    Removed CWE NIST CWE-59
    Added CWE NIST NVD-CWE-Other
  • Reanalysis by [email protected]

    Oct. 26, 2022

    Action Type Old Value New Value
    Added CWE NIST CWE-59
  • Initial Analysis by [email protected]

    Jul. 12, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=1186240 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=1186240 Exploit, Issue Tracking, Vendor Advisory
    Added CPE Configuration AND OR *cpe:2.3:a:suse:arpwatch:*:*:*:*:*:*:*:* versions up to (excluding) 2.1a15 OR cpe:2.3:a:suse:manager_server:4.0:*:*:*:*:*:*:* cpe:2.3:a:suse:openstack_cloud_crowbar:9.0:*:*:*:*:*:*:* cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:ltss:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:suse:arpwatch:*:*:*:*:*:*:*:* versions up to (including) 2.1a15-169.5 OR cpe:2.3:a:opensuse:factory:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:suse:arpwatch:*:*:*:*:*:*:*:* versions up to (including) 2.1a15-lp152.5.5 OR cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
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.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.2
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

0.11 }} -0.13%

score

0.26138

percentile