TI-2021-01165 Aliases CVE-2021-1438 GHSA-cw9v-q2h7-7x99

Cisco Wide Area Application Services Software Information Disclosure Vulnerability

LOW 24CWE-668Published 2021-05-06 · Updated 2024-11-08

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-668 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00242 15th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	Cisco Wide Area Application Services (WAAS)	all versions	—	No fix listed	CNA

Cisco Wide Area Application Services (WAAS) VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:wide_area_application_services::::::::	up to 6.4.5a	Vulnerable	Cisco

cpe:2.3:a:cisco:wide_area_application_services:*:*:*:*:*:*:*:* Versions up to 6.4.5a Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-1438
2026-10-03 Alias added: GHSA-cw9v-q2h7-7x99

References

Advisory 1

20210505 Cisco Wide Area Application Services Software Information Disclosure Vulnerability

TI-2013-03008 The web service framework in Cisco WAAS Software 4.x and 5.x before 5.0.3e, 5.1.x before… CVSS 2.0HIGH 10.0
TI-2013-03009 The web framework in Cisco WAAS Software before 4.x and 5.x before 5.0.3e, 5.1.x before… CVSS 2.0HIGH 9.0
TI-2014-01739 Cisco Wide Area Application Services (WAAS) 5.1.1 before 5.1.1e, when SharePoint prefetch… CVSS 2.0HIGH 9.3
TI-2007-03800 The Common Internet File System (CIFS) optimization in Cisco Wide Area Application… CVSS 2.0HIGH 7.8
TI-2015-05404 cifs-ao in the CIFS optimization functionality on Cisco Wide Area Application Service… CVSS 3.0HIGH 7.5
TI-2018-00288 Hard-coded credentials in Cisco Wide Area Application Services unknown CVSS 3.1MEDIUM 5.3

See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences