PT-2019-2121 · Cisco · Cisco Web Security Appliance

Published 2019-05-01 · Updated 2023-03-24 · CVE-2019-1816

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Cisco Web Security Appliance (WSA) (affected versions not specified)

Description A vulnerability in the log subscription subsystem could allow an authenticated, local attacker to perform command injection and elevate privileges to root. This issue is due to insufficient validation of user-supplied input on the web and command-line interface. An attacker could exploit this by injecting scripting commands within the log subscription subsystem after authenticating to the device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2019-01878

CVE-2019-1816

Affected Products

Cisco Web Security Appliance

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2019-1816 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-wsa-privesc · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-1816 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-01878 · Security Note
• https://quickview.cloudapps.cisco.com/quickview/bug/CSCvk68106 · Note