CVE-2020-3304: cisco adaptive_security_appliance Uncontrolled Resource Consumption
Vulnerability summary
CVE-2020-3304 is a high (CVSS 8.6) Uncontrolled Resource Consumption vulnerability in cisco adaptive_security_appliance. EPSS estimates a 3.91% chance of exploitation in the next 30 days, higher than 90.1% of scored vulnerabilities.
Timeline
- 21-10-2020PublishedVulnerability first disclosed.
- 13-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the web interface of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. An exploit could allow the attacker to cause a DoS condition. Note: This vulnerability applies to IP Version 4 (IPv4) and IP Version 6 (IPv6) HTTP traffic.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST8.6HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS trend
Probability
3.91%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.91% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-400Uncontrolled Resource ConsumptionThe product does not properly control the allocation and maintenance of a limited resource.
- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected systems
Cisco4 products
- adaptive_security_appliance< 9.6.4.45
- adaptive_security_appliance_software≥ 9.8.0, < 9.8.4.22 | ≥ 9.9.0, < 9.9.2.80 | ≥ 9.10.0, < 9.10.1.44 | ≥ 9.12.0, < 9.12.3.12 | ≥ 9.13.0, < 9.13.1.12 | ≥ 9.14.0, < 9.14.1.10
- cisco adaptive security appliance (asa) softwaren/a
- secure_firewall_threat_defense< 6.3.0.6 | ≥ 6.4.0, < 6.4.0.10 | ≥ 6.5.0, < 6.5.0.5 | ≥ 6.6.0, < 6.6.1
1 vendor · 4 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-webdos-fBzM5YnwVendor AdvisoryX Refsource CISCO