CVE-2016-6366

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-05-24. Federal remediation due 2022-06-14.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

87.56% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.7% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-08-18 18:00Z10 YR AGO

Last updated

2026-01-12 20:50Z9 MO AGO

Reserved

2016-07-26

Assigning CNA

cisco

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

b6e08748e42a046c4d1a020dcbdec56aff941d07ae84d513e4e0d26baf7ad7d3

• www.securityfocus.com92521http://www.securityfocus.com/bid/92521vdb-entryx_refsource_BID
• github.comhttps://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/40258.zipx_refsource_MISC
• blogs.cisco.comhttp://blogs.cisco.com/security/shadow-brokersx_refsource_CONFIRM
• tools.cisco.com20160817 Cisco Adaptive Security Appliance SNMP Remote Code Execution Vulnerabilityhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160817-asa-snmpvendor-advisoryx_refsource_CISCO
• tools.cisco.comhttp://tools.cisco.com/security/center/viewErp.x?alertId=ERP-56516x_refsource_CONFIRM
• zerosum0x0.blogspot.comhttps://zerosum0x0.blogspot.com/2016/09/reverse-engineering-cisco-asa-for.htmlx_refsource_MISC
• www.exploit-db.com40258https://www.exploit-db.com/exploits/40258/exploitx_refsource_EXPLOIT-DB
• www.securitytracker.com1036637http://www.securitytracker.com/id/1036637vdb-entryx_refsource_SECTRACK
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-6366government-resource