Medium severity · published Oct 27, 2016
CVE-2016-6437
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…
5.9
CVSS
1.7%
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
Wide Area Application Services · Cisco
5.3.1; 5.3.3; 5.3.5; 5.3.5a; 5.3.5b; 5.3.5c; +7 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6437
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6437
www.securityfocus.com
http://www.securityfocus.com/bid/93524
www.securitytracker.com
http://www.securitytracker.com/id/1037002
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161012-waas
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