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CVE-2019-1854

Cisco Expressway Series Directory Traversal Vulnerability

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. 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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

Exploit likelihood

3.75%Up 2.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 4.1

Cisco Expressway Series Directory Traversal Vulnerability

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.

Record
CVE-2019-1854
CVSS 3.0
4.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
Weakness
CWE-22
Updated
2026-11-02
EUVDEUVD-2019-10411 4.1

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.

Record
EUVD-2019-10411
CVSS 3.0
4.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-r7gg-wq5p-qhgv No score

A vulnerability in the management web interface of Cisco Expressway Series could allow an...

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.

Record
GHSA-r7gg-wq5p-qhgv
Updated
2026-11-02
NVD 4.1

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.

Record
CVE-2019-1854
CVSS 3.0
4.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
CVSS 3.0
4.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness
CWE-22
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-1854 is a medium vulnerability (CVSS 4.1) in Cisco Expressway, published May 3, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.75%, the 89th percentile. No source names a fixed version.

References

MoveEnter Open