5.5
MEDIUM
CVE-2021-1258
"Cisco AnyConnect Secure Mobility Client Insufficient File Permission Vulnerability"
Description

A vulnerability in the upgrade component of Cisco AnyConnect Secure Mobility Client could allow an authenticated, local attacker with low privileges to read arbitrary files on the underlying operating system (OS) of an affected device. The vulnerability is due to insufficient file permission restrictions. An attacker could exploit this vulnerability by sending a crafted command from the local CLI to the application. A successful exploit could allow the attacker to read arbitrary files on the underlying OS of the affected device. The attacker would need to have valid user credentials to exploit this vulnerability.

INFO

Published Date :

Jan. 13, 2021, 10:15 p.m.

Last Modified :

Nov. 7, 2023, 3:27 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-1258 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 Cisco anyconnect_secure_mobility_client
1 Mcafee agent_epolicy_orchestrator_extension
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-2021-1258.

URL Resource
https://kc.mcafee.com/corporate/index?page=content&id=SB10382 Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-fileread-PbHbgHMj Vendor 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-2021-1258 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-1258 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 [email protected]

    May. 14, 2024

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

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3 Cisco Systems, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Added CVSS V3.1 Cisco Systems, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Reanalysis by [email protected]

    Jul. 25, 2022

    Action Type Old Value New Value
    Changed CPE Configuration AND OR *cpe:2.3:a:mcafee:mcafee_agent:*:*:*:*:*:*:*:* versions up to (excluding) 5.7.6 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* AND OR *cpe:2.3:a:mcafee:agent_epolicy_orchestrator_extension:*:*:*:*:*:*:*:* versions up to (excluding) 5.7.6 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
  • Modified Analysis by [email protected]

    Jul. 01, 2022

    Action Type Old Value New Value
    Changed Reference Type https://kc.mcafee.com/corporate/index?page=content&id=SB10382 No Types Assigned https://kc.mcafee.com/corporate/index?page=content&id=SB10382 Third Party Advisory
    Added CPE Configuration AND OR *cpe:2.3:a:mcafee:mcafee_agent:*:*:*:*:*:*:*:* versions up to (excluding) 5.7.6 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 13, 2022

    Action Type Old Value New Value
    Added Reference https://kc.mcafee.com/corporate/index?page=content&id=SB10382 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 20, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-fileread-PbHbgHMj No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-fileread-PbHbgHMj Vendor Advisory
    Added CWE NIST CWE-269
    Added CPE Configuration OR *cpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:linux_kernel:*:* versions up to (excluding) 4.9.03047 *cpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:macos:*:* versions up to (excluding) 4.9.03047 *cpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:windows:*:* versions up to (excluding) 4.9.03049
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-2021-1258 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-2021-1258 weaknesses.

Exploit Prediction

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

0.04 }} 0.00%

score

0.05635

percentile

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