Improper input validation in Cisco Web Security Appliance (Wsa)
CVE-2019-1816
A vulnerability in the log subscription subsystem of the Cisco Web Security Appliance (WSA) could allow an authenticated, local attacker to perform command injection and elevate privileges to root. The vulnerability is due to insufficient validation of user-supplied input on the web and command-line interface. An attacker could exploit this vulnerability by authenticating to the affected device and injecting scripting commands in the scope of the log subscription subsystem. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (49.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Cisco Web Security Appliance (Wsa) — versions unspecified, unspecified, unspecified
- Cisco Web Security Appliance — versions 10.5.2-072, 11.0.0-641, 11.5.0-fcs-614
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1816?
- CVE-2019-1816 is a high-severity vulnerability in Cisco Web Security Appliance (Wsa), classified under Improper Input Validation. CVSS score: 7.8/10. Published 2019-05-03.
- How severe is CVE-2019-1816?
- High severity. CVSS v3 base score is 7.8 out of 10.