Buffer overflow in Cisco Asa_5505
CVE-2020-3283
A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) handler of Cisco Firepower Threat Defense (FTD) Software when running on the Cisco Firepower 1000 Series platform could allow an unauthenticated, remote attac…
Vulnerability class: Buffer Overflow
EPSS: 0.020 (77.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco Asa_5505
- Cisco Asa_5505_firmware — versions 9.12\(2.12\), 9.13\(0.33\)
- Cisco Asa_5510
- Cisco Asa_5510_firmware — versions 9.12\(2.12\), 9.13\(0.33\)
- Cisco Asa_5512-x
- Cisco Asa_5512-x_firmware — versions 9.12\(2.12\), 9.13\(0.33\)
- Cisco Asa_5515-x
- Cisco Asa_5515-x_firmware — versions 9.12\(2.12\), 9.13\(0.33\)
- Cisco Asa_5520
- Cisco Asa_5520_firmware — versions 9.12\(2.12\), 9.13\(0.33\)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3283?
- CVE-2020-3283 is a high-severity vulnerability in Cisco Asa_5505, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.6/10. Published 2020-05-06.
- How severe is CVE-2020-3283?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2020-3283 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.