Resource exhaustion in Balasys Dheater
CVE-2002-20001
The Diffie-Hellman Key Agreement Protocol allows remote attackers (from the client side) to send arbitrary numbers that are actually not public keys, and trigger expensive server-side DHE modular-exponentiation calculations, aka a D(HE)at…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.231 (97.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Balasys Dheater
- F5 Big-ip_access_policy_manager
- F5 Big-ip_advanced_firewall_manager — versions 17.5.0
- F5 Big-ip_advanced_web_application_firewall — versions 17.5.0
- F5 Big-ip_analytics — versions 17.5.0
- F5 Big-ip_application_acceleration_manager — versions 17.5.0
- F5 Big-ip_application_security_manager — versions 17.5.0
- F5 Big-ip_application_visibility_and_reporting — versions 17.5.0
- F5 Big-ip_carrier-grade_nat — versions 17.5.0
- F5 Big-ip_ddos_hybrid_defender — versions 17.5.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Product, Third Party Advisory)
- cve@mitre.org (Technical Description, Exploit)
- cve@mitre.org (Issue Tracking)
- cve@mitre.org (Issue Tracking)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Technical Description, Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2002-20001?
- CVE-2002-20001 is a high-severity vulnerability in Balasys Dheater, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-11-11.
- How severe is CVE-2002-20001?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2002-20001 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.