Wide Area Application Services
CVE-2021-1438
MEDIUM
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
1DescriptionNVD
A vulnerability in Cisco Wide Area Application Services (WAAS) Software could allow an authenticated, local attacker to gain access to sensitive information on an affected device. The vulnerability is due to improper input validation and authorization of specific commands that a user can execute within the CLI. An attacker could exploit this vulnerability by authenticating to an affected device and issuing a specific set of commands. A successful exploit could allow the attacker to read arbitrary files that they originally did not have permissions to access.
AnalysisAI
A vulnerability in Cisco Wide Area Application Services (WAAS) Software could allow an authenticated, local attacker to gain access to sensitive information on an affected device. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Exposure of Resource to Wrong Sphere (CWE-668), which allows attackers to access resources from an unintended security context. A vulnerability in Cisco Wide Area Application Services (WAAS) Software could allow an authenticated, local attacker to gain access to sensitive information on an affected device. The vulnerability is due to improper input validation and authorization of specific commands that a user can execute within the CLI. An attacker could exploit this vulnerability by authenticating to an affected device and issuing a specific set of commands. A successful exploit could allow the attacker to read arbitrary files that they originally did not have permissions to access. Affected products include: Cisco Wide Area Application Services.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement proper access controls, validate resource access permissions, use security boundaries.
The web service framework in Cisco WAAS Software 4.x and 5.x before 5.0.3e, 5.1.x before 5.1.1c, and 5.2.x before 5.2.1
Cisco Wide Area Application Services (WAAS) 5.1.1 before 5.1.1e, when SharePoint prefetch optimization is enabled, allow
The web framework in Cisco WAAS Software before 4.x and 5.x before 5.0.3e, 5.1.x before 5.1.1c, and 5.2.x before 5.2.1;
cifs-ao in the CIFS optimization functionality on Cisco Wide Area Application Service (WAAS) and Virtual WAAS (vWAAS) de
A vulnerability in SMART-SSL Accelerator functionality for Cisco Wide Area Application Services (WAAS) 6.2.1, 6.2.1a, an
A vulnerability in the Disk Check Tool (disk-check.sh) for Cisco Wide Area Application Services (WAAS) Software could al
A vulnerability in the Akamai Connect feature of Cisco Wide Area Application Services (WAAS) Appliances could allow an u
A vulnerability in the SSL session cache management of Cisco Wide Area Application Services (WAAS) could allow an unauth
A vulnerability in the HTTP web interface for Cisco Wide Area Application Services (WAAS) could allow an unauthenticated
A vulnerability in the Server Message Block (SMB) protocol of Cisco Wide Area Application Services (WAAS) could allow an
A vulnerability in the ingress processing of fragmented TCP packets by Cisco Wide Area Application Services (WAAS) could
A vulnerability in the Independent Computing Architecture (ICA) accelerator feature for the Cisco Wide Area Application
Same weakness CWE-668 – Exposure of Resource to Wrong Sphere
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External POC / Exploit Code
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