PT-2019-3963 · Cisco · Cisco Web Security Appliance+1

Published 2019-11-06 · Updated 2020-10-16 · CVE-2019-15956

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

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

Description A vulnerability in the web management interface of Cisco AsyncOS Software for Cisco Web Security Appliance could allow an authenticated, remote attacker to perform unauthorized actions. The issue is due to improper authorization controls for a specific URL in the web management interface. An attacker could exploit this by sending a crafted HTTP request to an affected device, potentially changing the administrator password to gain privileged access or resetting network configuration details, causing a denial of service condition. Manual intervention is required to restore normal operations.

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

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2019-04494

CVE-2019-15956

Affected Products

Cisco Asyncos

Cisco Web Security Appliance

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2019-15956 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191106-wsa-unauth-devreset · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-04494 · Security Note
• https://osv.dev/vulnerability/CVE-2019-15956 · Vendor Advisory