7.5
CWE
400
Advisory Published
Updated

CVE-2002-20001

First published: Thu Nov 11 2021(Updated: )

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 or D(HE)ater attack. The client needs very little CPU resources and network bandwidth. The attack may be more disruptive in cases where a client can require a server to select its largest supported key size. The basic attack scenario is that the client must claim that it can only communicate with DHE, and the server must be configured to allow DHE.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Balasys Dheater
SUSE Linux Enterprise Server=15
SUSE Linux Enterprise Server=11
SUSE Linux Enterprise Server=12
F5 BIG-IQ Centralized Management=7.1.0
F5 BIG-IQ Centralized Management>=8.0.0<=8.2.0
F5 Big-ip Service Proxy Kubernetes=1.6.0
F5 Traffix Sdc=5.2.0
F5 Traffix Sdc=5.1.0
F5 BIG-IP Access Policy Manager>=13.1.0<=17.1.0
F5 BIG-IP Advanced Firewall Manager>=13.1.0<=17.1.0
F5 Big-ip Advanced Web Application Firewall>=13.1.0<=17.1.0
F5 BIG-IP Analytics>=13.1.0<=17.1.0
F5 Big-ip Application Acceleration Manager>=13.1.0<=17.1.0
F5 BIG-IP Application Security Manager>=13.1.0<=17.1.0
F5 Big-ip Application Visibility And Reporting>=13.1.0<=17.1.0
F5 Big-ip Carrier-grade Nat>=13.1.0<=17.1.0
F5 Big-ip Ddos Hybrid Defender>=13.1.0<=17.1.0
F5 Big-ip Domain Name System>=13.1.0<=17.1.0
F5 Big-ip Edge Gateway>=13.1.0<=17.1.0
F5 Big-ip Fraud Protection Service>=13.1.0<=17.1.0
F5 Big-ip Global Traffic Manager>=13.1.0<=17.1.0
F5 Big-ip Link Controller>=13.1.0<=17.1.0
F5 Big-ip Local Traffic Manager>=13.1.0<=17.1.0
F5 Big-ip Policy Enforcement Manager>=13.1.0<=17.1.0
F5 Big-ip Ssl Orchestrator>=13.1.0<=17.1.0
F5 Big-ip Webaccelerator>=13.1.0<=17.1.0
F5 Big-ip Websafe>=13.1.0<=17.1.0
F5 F5OS-C=1.5.1
F5 F5OS-C=1.5.0
F5 F5OS-C>=1.3.0<=1.3.2
F5 F5OS-A=1.3.1
F5 F5OS-A=1.3.0
Siemens Scalance W1750d Firmware
Siemens SCALANCE W1750D
F5 Traffix Signaling Delivery Controller=5.1.0
F5 Traffix Signaling Delivery Controller=5.2.0
Hpe Arubaos-cx>=10.06.0000<10.06.0180
Hpe Arubaos-cx>=10.07.0000<10.07.0030
Hpe Arubaos-cx>=10.08.0000<10.08.0010
Hpe Arubaos-cx>=10.09.0000<10.09.0002
Hpe Aruba Cx 4100i
Hpe Aruba Cx 6100
Hpe Aruba Cx 6200f
Hpe Aruba Cx 6200m
Hpe Aruba Cx 6300f
Hpe Aruba Cx 6300m
Hpe Aruba Cx 6405
Hpe Aruba Cx 6410
Hpe Aruba Cx 8320
Hpe Aruba Cx 8325-32c
Hpe Aruba Cx 8325-48y8c
Hpe Aruba Cx 8360-12c
Hpe Aruba Cx 8360-16y2c
Hpe Aruba Cx 8360-24xf2c
Hpe Aruba Cx 8360-32y4c
Hpe Aruba Cx 8360-48xt4c
Hpe Aruba Cx 8360-48y6c
Hpe Aruba Cx 8400
Stormshield Stormshield Management Center<3.3.3
Stormshield Stormshield Network Security>=2.7.0<4.3.16
Stormshield Stormshield Network Security>=4.4.0<4.6.3
All of
Siemens Scalance W1750d Firmware
Siemens SCALANCE W1750D
All of
Any of
Hpe Arubaos-cx>=10.06.0000<10.06.0180
Hpe Arubaos-cx>=10.07.0000<10.07.0030
Hpe Arubaos-cx>=10.08.0000<10.08.0010
Hpe Arubaos-cx>=10.09.0000<10.09.0002
Any of
Hpe Aruba Cx 4100i
Hpe Aruba Cx 6100
Hpe Aruba Cx 6200f
Hpe Aruba Cx 6200m
Hpe Aruba Cx 6300f
Hpe Aruba Cx 6300m
Hpe Aruba Cx 6405
Hpe Aruba Cx 6410
Hpe Aruba Cx 8320
Hpe Aruba Cx 8325-32c
Hpe Aruba Cx 8325-48y8c
Hpe Aruba Cx 8360-12c
Hpe Aruba Cx 8360-16y2c
Hpe Aruba Cx 8360-24xf2c
Hpe Aruba Cx 8360-32y4c
Hpe Aruba Cx 8360-48xt4c
Hpe Aruba Cx 8360-48y6c
Hpe Aruba Cx 8400

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