Buffer overflow in Cisco 7604
CVE-2016-6366
Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on ASA 5500, ASA 5500-X, ASA Services Module, ASA 1000V, ASAv, Firepower 9300 ASA Security Module, PIX, and FWSM devices allows remote authenticated users to execute arbitrary code via crafted IPv4 SNMP packets, aka Bug ID CSCva92151 or EXTRABACON.
Vulnerability class: Buffer Overflow
EPSS: 0.876 (99.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, Not Applicable, Broken Link, x_refsource_BID)
- psirt@cisco.com (Exploit, x_refsource_MISC, Broken Link)
- psirt@cisco.com (x_refsource_CONFIRM, Exploit, Vendor Advisory, Press/Media Coverage)
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@cisco.com (Technical Description, Exploit, x_refsource_MISC)
- psirt@cisco.com (VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK, Broken Link)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2016-6366?
- CVE-2016-6366 is a high-severity vulnerability in Cisco 7604, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2016-08-18.
- How severe is CVE-2016-6366?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2016-6366 known to be exploited?
- Yes. CVE-2016-6366 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-24), indicating it is being actively exploited. 27 public proof-of-concept repositories are indexed.