Known exploited vulnerability
CVE-2016-6366
The short answer
CVE-2016-6366 affects n/a n/a and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-05-24: attackers are using it, so patch it first.
What it is
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.
Weakness: CWE-120.
Severity
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since May 24, 2022
Federal due date Jun 14, 2022
EPSS, next 30 days
88%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/40258.zip Broken LinkExploit
- www.exploit-db.com/exploits/40258/ Third Party AdvisoryVDB Entry
- zerosum0x0.blogspot.com/2016/09/reverse-engineering-cisco-asa-for.html ExploitTechnical Description
- github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/40258.zip Broken LinkExploit
- www.exploit-db.com/exploits/40258/ Third Party AdvisoryVDB Entry
- zerosum0x0.blogspot.com/2016/09/reverse-engineering-cisco-asa-for.html ExploitTechnical Description
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-6366 US Government Resource
Questions
Is CVE-2016-6366 being exploited?
Yes. CISA added CVE-2016-6366 to its Known Exploited Vulnerabilities catalog on 2022-05-24, with a federal remediation due date of 2022-06-14.
How do I fix CVE-2016-6366?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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