CVE-2002-20001

Exp

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.

公開： 2021-11-11 最後更新： 2026-06-16 指派方： [email protected] 來源： [email protected]
NVD 狀態：Analyzed，CVE 狀態： published
檢視： NVD, CVE.org, EUVD

CVE-2002-20001 綜合評估為高可利用風險（83.5/100）：CVSS 技術影響為高級，利用機率偏高（EPSS 23.06%，百分位 97%） 已收錄 1 筆公開利用參考（Exploit-DB）。 近一日 EPSS 上升 +4.35%，被利用關注度持續升高。 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。

風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。

CVE-2002-20001 的公開 exploit 引用（Exploit-DB）

EDB-ID 來源 類型 公開時間 連結
— nvd_ref exploit_tag Exploit-DB ↗

CVE-2002-20001 的 EPSS（利用預測評分）

EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。

# 日期 舊 EPSS 分數 新 EPSS 分數 變化（新 − 舊）
1 2026-06-15 18.72% 23.06% +4.35%
2 2026-06-07 14.68% 18.72% +4.04%
3 2026-03-04 — 14.68% —

完整 EPSS 歷史 （共 74 筆）

CVE-2002-20001 的 CVSS 指標

該 CVE 的 CVSS 指標。

底座分 版本 嚴重度 向量 可利用性 影響 分數來源
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 點擊展開
攻擊向量 (AV:N)
可經網際網路或企業內可路由網段從遠端觸達，攻擊者不必在裝置旁邊。
攻擊複雜度 (AC:L)
前置條件清楚，成功路徑穩定，不必仰賴罕見競態或極端環境。
權限需求 (PR:N)
不必事先登入或提權，匿名工作階段也可能成為跳板。
使用者互動 (UI:N)
不必受害者點連結、放行巨集或安裝軟體，攻擊鏈可自動走完。
作用域 (S:U)
破壞局限在脆弱元件原本的安全權限與信任域之內。
機密性影響 (C:N)
幾乎談不上實質的敏感資料外洩。
完整性影響 (I:N)
對紀錄真實性與不可否認性的破壞可忽略。
可用性影響 (A:H)
可造成長時間中斷、關鍵交易無法完成，或伴隨資料毀損導致難以自癒。
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P 點擊展開
存取路徑 (AV:N)
只要路由可達，即可從遠端發動利用。
存取複雜度 (AC:L)
步驟短、路徑清楚，重現成本低。
認證 (AU:N)
全程無需有效身分。
機密性影響 (C:N)
對機密性無影響。
完整性影響 (I:N)
對完整性無影響。
可用性影響 (A:P)
可用性受到部分損害。
 10.0 2.9 [email protected]

CVE-2002-20001 的弱點列舉

CVE-2002-20001 的 OS 追蹤

vendor priority summary link
suse high CVE-2002-20001 severity important: SUSE including 50 source package names (libopenssl-1_1-devel, libopenssl-1_1-devel-1.1.1l-150400.5.14, …), 108 product×package rows across 47 product lines (SUSE CaaS Platform 4.0, SUSE CaaS Platform 4.5, … (47 product lines)): Known Not Affected 64, Fixed 44. https://www.suse.com/security/cve/CVE-2002-20001/

CVE-2002-20001 的影響軟體 / 設定

廠商 產品 版本 原始 CPE
balasys dheater — cpe:2.3:a:balasys:dheater:-:*:*:*:*:*:*:*
siemens scalance_w1750d_firmware — cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:*
suse linux_enterprise_server 11 cpe:2.3:o:suse:linux_enterprise_server:11:-:*:*:*:*:*:*
suse linux_enterprise_server 12 cpe:2.3:o:suse:linux_enterprise_server:12:-:*:*:*:*:*:*
suse linux_enterprise_server 15 cpe:2.3:o:suse:linux_enterprise_server:15:*:*:*:*:*:*:*
f5 big-ip_access_policy_manager >= 13.1.0, < 16.1.4 cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip_access_policy_manager >= 17.0.0, < 17.1.0 cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip_advanced_firewall_manager >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip_advanced_firewall_manager 17.5.0 cpe:2.3:a:f5:big-ip_advanced_firewall_manager:17.5.0:*:*:*:*:*:*:*
f5 big-ip_advanced_web_application_firewall >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
f5 big-ip_advanced_web_application_firewall 17.5.0 cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:17.5.0:*:*:*:*:*:*:*
f5 big-ip_analytics >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip_analytics 17.5.0 cpe:2.3:a:f5:big-ip_analytics:17.5.0:*:*:*:*:*:*:*
f5 big-ip_application_acceleration_manager >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
f5 big-ip_application_acceleration_manager 17.5.0 cpe:2.3:a:f5:big-ip_application_acceleration_manager:17.5.0:*:*:*:*:*:*:*
f5 big-ip_application_security_manager >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip_application_security_manager 17.5.0 cpe:2.3:a:f5:big-ip_application_security_manager:17.5.0:*:*:*:*:*:*:*
f5 big-ip_application_visibility_and_reporting >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:*
f5 big-ip_application_visibility_and_reporting 17.5.0 cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:17.5.0:*:*:*:*:*:*:*
f5 big-ip_carrier-grade_nat >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*
f5 big-ip_carrier-grade_nat 17.5.0 cpe:2.3:a:f5:big-ip_carrier-grade_nat:17.5.0:*:*:*:*:*:*:*
f5 big-ip_ddos_hybrid_defender >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*
f5 big-ip_ddos_hybrid_defender 17.5.0 cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:17.5.0:*:*:*:*:*:*:*
f5 big-ip_domain_name_system >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
f5 big-ip_domain_name_system 17.5.0 cpe:2.3:a:f5:big-ip_domain_name_system:17.5.0:*:*:*:*:*:*:*
f5 big-ip_edge_gateway >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
f5 big-ip_edge_gateway 17.5.0 cpe:2.3:a:f5:big-ip_edge_gateway:17.5.0:*:*:*:*:*:*:*
f5 big-ip_fraud_protection_service >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
f5 big-ip_fraud_protection_service 17.5.0 cpe:2.3:a:f5:big-ip_fraud_protection_service:17.5.0:*:*:*:*:*:*:*
f5 big-ip_global_traffic_manager >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip_global_traffic_manager 17.5.0 cpe:2.3:a:f5:big-ip_global_traffic_manager:17.5.0:*:*:*:*:*:*:*
f5 big-ip_link_controller >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
f5 big-ip_link_controller 17.5.0 cpe:2.3:a:f5:big-ip_link_controller:17.5.0:*:*:*:*:*:*:*
f5 big-ip_local_traffic_manager >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip_local_traffic_manager 17.5.0 cpe:2.3:a:f5:big-ip_local_traffic_manager:17.5.0:*:*:*:*:*:*:*
f5 big-ip_policy_enforcement_manager >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*
f5 big-ip_policy_enforcement_manager 17.5.0 cpe:2.3:a:f5:big-ip_policy_enforcement_manager:17.5.0:*:*:*:*:*:*:*
f5 big-ip_service_proxy 1.6.0 cpe:2.3:a:f5:big-ip_service_proxy:1.6.0:*:*:*:*:kubernetes:*:*
f5 big-ip_ssl_orchestrator >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*
f5 big-ip_ssl_orchestrator 17.5.0 cpe:2.3:a:f5:big-ip_ssl_orchestrator:17.5.0:*:*:*:*:*:*:*
f5 big-ip_webaccelerator >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*
f5 big-ip_webaccelerator 17.5.0 cpe:2.3:a:f5:big-ip_webaccelerator:17.5.0:*:*:*:*:*:*:*
f5 big-ip_websafe >= 13.1.0, <= 17.1.2 cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*
f5 big-ip_websafe 17.5.0 cpe:2.3:a:f5:big-ip_websafe:17.5.0:*:*:*:*:*:*:*
f5 big-iq_centralized_management >= 8.0.0, <= 8.4.0 cpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:*
f5 big-iq_centralized_management 7.1.0 cpe:2.3:a:f5:big-iq_centralized_management:7.1.0:*:*:*:*:*:*:*
f5 traffix_signaling_delivery_controller 5.1.0 cpe:2.3:a:f5:traffix_signaling_delivery_controller:5.1.0:*:*:*:*:*:*:*
f5 traffix_signaling_delivery_controller 5.2.0 cpe:2.3:a:f5:traffix_signaling_delivery_controller:5.2.0:*:*:*:*:*:*:*
f5 f5os-a >= 1.3.0, <= 1.3.2 cpe:2.3:o:f5:f5os-a:*:*:*:*:*:*:*:*
f5 f5os-a >= 1.5.0, <= 1.5.3 cpe:2.3:o:f5:f5os-a:*:*:*:*:*:*:*:*
f5 f5os-a 1.8.0 cpe:2.3:o:f5:f5os-a:1.8.0:*:*:*:*:*:*:*
f5 f5os-c >= 1.3.0, <= 1.3.2 cpe:2.3:o:f5:f5os-c:*:*:*:*:*:*:*:*
f5 f5os-c >= 1.6.0, <= 1.6.2 cpe:2.3:o:f5:f5os-c:*:*:*:*:*:*:*:*
f5 f5os-c 1.5.0 cpe:2.3:o:f5:f5os-c:1.5.0:*:*:*:*:*:*:*
f5 f5os-c 1.5.1 cpe:2.3:o:f5:f5os-c:1.5.1:*:*:*:*:*:*:*
f5 f5os-c 1.8.0 cpe:2.3:o:f5:f5os-c:1.8.0:*:*:*:*:*:*:*
f5 f5os-c 1.8.1 cpe:2.3:o:f5:f5os-c:1.8.1:*:*:*:*:*:*:*
hpe arubaos-cx >= 10.06.0000, < 10.06.0180 cpe:2.3:o:hpe:arubaos-cx:*:*:*:*:*:*:*:*
hpe arubaos-cx >= 10.07.0000, < 10.07.0030 cpe:2.3:o:hpe:arubaos-cx:*:*:*:*:*:*:*:*
hpe arubaos-cx >= 10.08.0000, < 10.08.0010 cpe:2.3:o:hpe:arubaos-cx:*:*:*:*:*:*:*:*
hpe arubaos-cx >= 10.09.0000, < 10.09.0002 cpe:2.3:o:hpe:arubaos-cx:*:*:*:*:*:*:*:*
stormshield stormshield_management_center < 3.3.3 cpe:2.3:a:stormshield:stormshield_management_center:*:*:*:*:*:*:*:*
stormshield stormshield_network_security >= 2.7.0, < 4.3.16 cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*
stormshield stormshield_network_security >= 4.4.0, < 4.6.3 cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*

CVE-2002-20001 的參考連結

URL 標籤
https://cert-portal.siemens.com/productcert/pdf/ssa-506569.pdf Third Party Advisory
https://dheatattack.com Third Party Advisory
https://dheatattack.gitlab.io/ Third Party Advisory
https://github.com/Balasys/dheater Product Third Party Advisory
https://github.com/mozilla/ssl-config-generator/issues/162 Issue Tracking
https://gitlab.com/dheatattack/dheater Third Party Advisory
https://ieeexplore.ieee.org/document/10374117 Technical Description Third Party Advisory
https://support.f5.com/csp/article/K83120834 Third Party Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2022-004.txt Technical Description Third Party Advisory
https://www.openssl.org/blog/blog/2022/10/21/tls-groups-configuration/ Third Party Advisory
https://www.reddit.com/r/netsec/comments/qdoosy/server_overload_by_enforcing_dhe_key_exchange/ Issue Tracking
https://www.researchgate.net/profile/Anton-Stiglic-2/publication/2401745_Security_Issues_in_the_Diffie-Hellman_Key_Agreement_Protocol Exploit Technical Description
https://www.suse.com/support/kb/doc/?id=000020510 Third Party Advisory
cvelogic Threat Intelligence