CVE-2020-3303
Last modified
CVE-2020-3303 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability in the Internet Key Exchange version 1 (IKEv1) feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper management of system memory. EPSS estimates a 1.23% chance of exploitation in the next 30 days.
Description
A vulnerability in the Internet Key Exchange version 1 (IKEv1) feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper management of system memory. An attacker could exploit this vulnerability by sending malicious IKEv1 traffic to an affected device. A successful exploit could allow the attacker to cause a DoS condition on the affected device.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Adaptive Security Appliance | < 9.6.4.36 |
| Cisco | Adaptive Security Appliance Software | >= 9.7, < 9.8.4.10 |
| Cisco | Adaptive Security Appliance Software | >= 9.9, < 9.10.1.30 |
| Cisco | Adaptive Security Appliance Software | >= 9.12, < 9.12.2.9 |
| Cisco | Secure Firewall Threat Defense | < 6.3.0.5 |
| Cisco | Secure Firewall Threat Defense | >= 6.4.0, < 6.4.0.6 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-3303?
How severe is CVE-2020-3303?
How do I fix CVE-2020-3303?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-3296Multiple vulnerabilities in the web-based management interfa…7.2
- CVE-2020-3297A vulnerability in session management for the web-based inte…9.8
- CVE-2020-3298A vulnerability in the Open Shortest Path First (OSPF) imple…7.5
- CVE-2020-3299Multiple Cisco products are affected by a vulnerability in t…5.8
- CVE-2020-3301Multiple vulnerabilities in Cisco Firepower Management Cente…4.4
- CVE-2020-3302A vulnerability in the web UI of Cisco Firepower Management …8.1
- CVE-2020-3304A vulnerability in the web interface of Cisco Adaptive Secur…8.6
- CVE-2020-3305A vulnerability in the implementation of the Border Gateway …7.5
- CVE-2020-3306A vulnerability in the DHCP module of Cisco Adaptive Securit…7.5
- CVE-2020-3307A vulnerability in the web UI of Cisco Firepower Management …5.3
- CVE-2020-3308A vulnerability in the Image Signature Verification feature …4.9
- CVE-2020-3309A vulnerability in Cisco Firepower Device Manager (FDM) On-B…7.2
Are you affected by CVE-2020-3303?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST