CVE-2018-0373

Name: CVE-2018-0373
Creator: NVD / NIST
Published: 2018-06-21T11:29:01.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.39%

Last modified Jun 17, 2026

CVE-2018-0373 is a vulnerability of currently unknown severity. A vulnerability in vpnva-6.sys for 32-bit Windows and vpnva64-6.sys for 64-bit Windows of Cisco AnyConnect Secure Mobility Client for Windows Desktop could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system. The vulnerability is due to improper validation of user-supplied data. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

A vulnerability in vpnva-6.sys for 32-bit Windows and vpnva64-6.sys for 64-bit Windows of Cisco AnyConnect Secure Mobility Client for Windows Desktop could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system. The vulnerability is due to improper validation of user-supplied data. An attacker could exploit this vulnerability by sending a malicious request to the application. A successful exploit could allow the attacker to cause a DoS condition on the affected system. Cisco Bug IDs: CSCvj47654.

Metrics

EPSS Probability

0.39%

31.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Anyconnect Secure Mobility Client	4.5\(58\)
Cisco	Anyconnect Secure Mobility Client	4.5\(1044\)
Cisco	Anyconnect Secure Mobility Client	4.5\(2033\)
Cisco	Anyconnect Secure Mobility Client	4.5\(2036\)
Cisco	Anyconnect Secure Mobility Client	4.5\(3040\)
Cisco	Anyconnect Secure Mobility Client	4.5\(4029\)
Cisco	Anyconnect Secure Mobility Client	4.5\(5030\)
Cisco	Anyconnect Secure Mobility Client	4.6\(362\)
Cisco	Anyconnect Secure Mobility Client	4.6\(1098\)

References

http://www.securityfocus.com/bid/104548Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041176Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-anyconnect-dosVendor Advisory
http://www.securityfocus.com/bid/104548Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041176Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-anyconnect-dosVendor Advisory

Timeline

Published: Jun 21, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-0373?

How severe is CVE-2018-0373?

Severity scoring for CVE-2018-0373 is pending analysis. The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2018-0373?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-0373?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST