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…
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.