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CVE-2023-20241

MEDIUM
Published 2023-11-22T17:10:45.694Z
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CVSS Score

V3.1
5.5
/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.083
Higher than 8.3% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

Multiple vulnerabilities in Cisco Secure Client Software, formerly AnyConnect Secure Mobility Client, could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system.

These vulnerabilities are due to an out-of-bounds memory read from Cisco Secure Client Software. An attacker could exploit these vulnerabilities by logging in to an affected device at the same time that another user is accessing Cisco Secure Client on the same system, and then sending crafted packets to a port on that local host. A successful exploit could allow the attacker to crash the VPN Agent service, causing it to be unavailable to all users of the system. To exploit these vulnerabilities, the attacker must have valid credentials on a multi-user system.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Cisco

Cisco Secure Client

Affected Versions:

4.9.00086 4.9.01095 4.9.02028 4.9.03047 4.9.03049 4.9.04043 4.9.04053 4.9.05042 4.9.06037 4.10.00093 4.10.01075 4.10.02086 4.10.03104 4.10.04065 4.10.04071 4.10.05085 4.10.05095 4.10.05111 4.10.06079 4.10.06090 4.10.07061 4.10.07062 4.10.07073 5.0.00238 5.0.00529 5.0.00556 5.0.01242 5.0.02075 5.0.03072 5.0.03076 5.0.04032

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-23qx-pfmx-49j9

Advisory Details

Multiple vulnerabilities in Cisco Secure Client Software, formerly AnyConnect Secure Mobility Client, could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system. These vulnerabilities are due to an out-of-bounds memory read from Cisco Secure Client Software. An attacker could exploit these vulnerabilities by logging in to an affected device at the same time that another user is accessing Cisco Secure Client on the same system, and then sending crafted packets to a port on that local host. A successful exploit could allow the attacker to crash the VPN Agent service, causing it to be unavailable to all users of the system. To exploit these vulnerabilities, the attacker must have valid credentials on a multi-user system.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-20241
WEB https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-accsc-dos-9SLzkZ8

Advisory provided by GitHub Security Advisory Database. Published: November 22, 2023, Modified: November 22, 2023

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-accsc-dos-9SLzkZ8
Published: 2023-11-22T17:10:45.694Z
Last Modified: 2024-08-02T09:05:35.856Z
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