A vulnerability in the SSL session cache management of Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, remote a…

Published 10 y ago 2016-10-27 · modified 4 mo ago 2026-06-17 · JSON

CVSS

5.9

v3.0 · NVD

CISA KEV

not known exploited

EPSS

1.7%

percentile 78%

Public exploits

none known

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).

Exploit prediction (EPSS)

1.73% probability of exploitation in the next 30 days, higher than 78% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	5.9	`CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H`
NVD	2.0	7.1	`AV:N/AC:M/Au:N/C:N/I:N/A:C`

Affected products

n/a Cisco Wide Area Application Services (WAAS) before 5.3(5g)1 and 6.x before 6.2(2.32)

Classification

Weakness

CWE-399 Resource Management Errors

References

securitytracker.com /id/1037002 · vdb-entry, x_refsource_SECTRACK, x_transferred
tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20161012-waas · x_refsource_CONFIRM, x_transferred
securityfocus.com /bid/93524 · vdb-entry, x_refsource_BID, x_transferred

Sources

CVE List: CVE-2016-6437
NVD: CVE-2016-6437

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.