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TI-2016-05519 Aliases CVE-2016-6437GHSA-mpwr-fprg-72gv

Resource management flaw in Cisco Wide Area Application Services before 5.3 1 and 6.x…

Priority LOW 30CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

A vulnerability in the SSL session cache management of Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to high consumption of disk space. The user would see a performance degradation. More Information: CSCva03095. Known Affected Releases: 5.3(5), 6.1(1), 6.2(1). Known Fixed Releases: 5.3(5g)1, 6.2(2.32).

Why it matters now

EPSS 0.01729 77th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Cisco Wide Area Application Services (WAAS) before 5.3(5g)1 and 6.x before 6.2(2.32)Cisco Wide Area Application Services (WAAS) before 5.3(5g)1 and 6.x before 6.2(2.32)—No fix listedCNA
  • Cisco Wide Area Application Services (WAAS) before 5.3(5g)1 and 6.x before 6.2(2.32) Vendor— Affected Cisco Wide Area Application Services (WAAS) before 5.3(5g)1 and 6.x before 6.2(2.32) Fixed in — No fix listed CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:a:cisco:wide_area_application_services:5.3.1:*:*:*:*:*:*:*5.3.1VulnerableCisco
cpe:2.3:a:cisco:wide_area_application_services:5.3.3:*:*:*:*:*:*:*5.3.3VulnerableCisco
cpe:2.3:a:cisco:wide_area_application_services:5.3.5:*:*:*:*:*:*:*5.3.5VulnerableCisco
cpe:2.3:a:cisco:wide_area_application_services:5.3.5a:*:*:*:*:*:*:*5.3.5aVulnerableCisco
cpe:2.3:a:cisco:wide_area_application_services:5.3.5b:*:*:*:*:*:*:*5.3.5bVulnerableCisco
cpe:2.3:a:cisco:wide_area_application_services:5.3.5c:*:*:*:*:*:*:*5.3.5cVulnerableCisco
cpe:2.3:a:cisco:wide_area_application_services:5.3.5d:*:*:*:*:*:*:*5.3.5dVulnerableCisco
cpe:2.3:a:cisco:wide_area_application_services:5.3.5e:*:*:*:*:*:*:*5.3.5eVulnerableCisco
cpe:2.3:a:cisco:wide_area_application_services:5.3.5f:*:*:*:*:*:*:*5.3.5fVulnerableCisco
cpe:2.3:a:cisco:wide_area_application_services:6.1.0:*:*:*:*:*:*:*6.1.0VulnerableCisco
  • cpe:2.3:a:cisco:wide_area_application_services:5.3.1:*:*:*:*:*:*:* Versions 5.3.1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:wide_area_application_services:5.3.3:*:*:*:*:*:*:* Versions 5.3.3 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:wide_area_application_services:5.3.5:*:*:*:*:*:*:* Versions 5.3.5 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:wide_area_application_services:5.3.5a:*:*:*:*:*:*:* Versions 5.3.5a Vulnerable ·Cisco
  • cpe:2.3:a:cisco:wide_area_application_services:5.3.5b:*:*:*:*:*:*:* Versions 5.3.5b Vulnerable ·Cisco
  • cpe:2.3:a:cisco:wide_area_application_services:5.3.5c:*:*:*:*:*:*:* Versions 5.3.5c Vulnerable ·Cisco
  • cpe:2.3:a:cisco:wide_area_application_services:5.3.5d:*:*:*:*:*:*:* Versions 5.3.5d Vulnerable ·Cisco
  • cpe:2.3:a:cisco:wide_area_application_services:5.3.5e:*:*:*:*:*:*:* Versions 5.3.5e Vulnerable ·Cisco
  • cpe:2.3:a:cisco:wide_area_application_services:5.3.5f:*:*:*:*:*:*:* Versions 5.3.5f Vulnerable ·Cisco
  • cpe:2.3:a:cisco:wide_area_application_services:6.1.0:*:*:*:*:*:*:* Versions 6.1.0 Vulnerable ·Cisco
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:cisco:wide_area_application_services:6.1.1:*:*:*:*:*:*:*6.1.1VulnerableCisco
cpe:2.3:a:cisco:wide_area_application_services:6.2.1:*:*:*:*:*:*:*6.2.1VulnerableCisco
cpe:2.3:a:cisco:wide_area_application_services:6.2.1a:*:*:*:*:*:*:*6.2.1aVulnerableCisco
  • cpe:2.3:a:cisco:wide_area_application_services:6.1.1:*:*:*:*:*:*:* Versions 6.1.1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:wide_area_application_services:6.2.1:*:*:*:*:*:*:* Versions 6.2.1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:wide_area_application_services:6.2.1a:*:*:*:*:*:*:* Versions 6.2.1a Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-6437
  2. 2026-10-03 Alias added: GHSA-mpwr-fprg-72gv

References

Advisory 1

  • 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