Path Traversal in Cisco Expressway
CVE-2019-1854
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.037 (89.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- Cisco Expressway — versions unspecified
- Cisco Telepresence Video Communication Server — versions x8.11.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501… (vendor-advisory, Vendor Advisory)
- www.securityfocus.com/bid/108154 (vdb-entry)
- seclists.org/fulldisclosure/2019/May/28 (mailing-list)
- seclists.org/bugtraq/2019/May/49 (mailing-list)
- packetstormsecurity.com/files/152963/Cisco-Expressway-Gateway-11.5.1-Directory-…
Frequently asked questions
- What is CVE-2019-1854?
- CVE-2019-1854 is a medium-severity vulnerability in Cisco Expressway, classified under Path Traversal. CVSS score: 4.1/10. Published 2019-05-03.
- How severe is CVE-2019-1854?
- Medium severity. CVSS v3 base score is 4.1 out of 10.
- Is CVE-2019-1854 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.