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CVE-2019-1854

4.1 · MEDIUM

A vulnerability in the management web interface of Cisco Expressway Series could allow an authenticated, remote attacker to perform a directory traversal attack against an affected device.

Published May 3, 2019CWE-22EPSS 3.75%

Overview

CVE-2019-1854 is a medium-severity vulnerability. It was published on May 3, 2019 and has a CVSS 3.0 base score of 4.1 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 4.1, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A vulnerability in the management web interface of Cisco Expressway Series could allow an authenticated, remote attacker to perform a directory traversal attack against an affected device. The vulnerability is due to insufficient input validation on the web interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web interface. A successful exploit could allow the attacker to bypass security restrictions and access the web interface of a Cisco Unified Communications Manager associated with the affected device. Valid credentials would still be required to access the Cisco Unified Communications Manager interface.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/152963/Cisco-Expressway-Gateway-11.5.1-Directory-Traversal.htmlRefseclists.org/fulldisclosure/2019/May/28Refwww.securityfocus.com/bid/108154Refseclists.org/bugtraq/2019/May/49Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-expressway-traversalRefpacketstormsecurity.com/files/152963/Cisco-Expressway-Gateway-11.5.1-Directory-Traversal.htmlRefseclists.org/fulldisclosure/2019/May/28Refwww.securityfocus.com/bid/108154Refseclists.org/bugtraq/2019/May/49Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-expressway-traversal

How CyberStrike helps

Frequently asked questions

What is CVE-2019-1854?

CVE-2019-1854 is a medium-severity vulnerability. It was published on May 3, 2019 and has a CVSS 3.0 base score of 4.1 (MEDIUM).

How severe is CVE-2019-1854?

This vulnerability has a CVSS 3.0 base score of 4.1, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-1854?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-1854?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-1854 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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