CVE-2016-6437
Summary
| CVE | CVE-2016-6437 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-10-27 21:59:08 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | 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). |
Risk And Classification
Primary CVSS: v3.0 5.9 MEDIUM from [email protected]
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.007110000 probability, percentile 0.723870000 (date 2026-05-09)
Problem Types: CWE-399 | unspecified
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 5.9 | MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:N/AC:M/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Cisco | Wide Area Application Services | 5.3.1 | All | All | All |
| Application | Cisco | Wide Area Application Services | 5.3.3 | All | All | All |
| Application | Cisco | Wide Area Application Services | 5.3.5 | All | All | All |
| Application | Cisco | Wide Area Application Services | 5.3.5a | All | All | All |
| Application | Cisco | Wide Area Application Services | 5.3.5b | All | All | All |
| Application | Cisco | Wide Area Application Services | 5.3.5c | All | All | All |
| Application | Cisco | Wide Area Application Services | 5.3.5d | All | All | All |
| Application | Cisco | Wide Area Application Services | 5.3.5e | All | All | All |
| Application | Cisco | Wide Area Application Services | 5.3.5f | All | All | All |
| Application | Cisco | Wide Area Application Services | 6.1.0 | All | All | All |
| Application | Cisco | Wide Area Application Services | 6.1.1 | All | All | All |
| Application | Cisco | Wide Area Application Services | 6.2.1 | All | All | All |
| Application | Cisco | Wide Area Application Services | 6.2.1a | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | Cisco Wide Area Application Services WAAS Before 5.35g1 And 6.x Before 6.22.32 | affected Cisco Wide Area Application Services (WAAS) before 5.3(5g)1 and 6.x before 6.2(2.32) | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco Wide Area Application Services Central Manager Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | tools.cisco.com | Vendor Advisory |
| Cisco Wide Area Application Services CVE-2016-6437 Remote Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| Cisco Wide Area Application Services Lets Remote Users Consume Excessive Disk Space Resources - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.