CVE-2017-3730

mediumpriority · attend · 59EPSS 0.553 · 99 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

55.3% (99th) EPSS

CVSS 5 · medium

Is it mine?

52 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-26

In OpenSSL 1.1.0 before 1.1.0d, if a malicious server supplies bad parameters for a DHE or ECDHE key exchange then this can result in the client attempting to dereference a NULL pointer leading to a client crash. This could be exploited in a Denial of Service attack.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Hsecondary · CVSS-BT (t0sche)

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USprimaryCWE-476US

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-41192OpenSSL 1.1.0 - Remote Client Denial of ServicePoC · exploit_db
HavocParasite/CVE-2017-3730OpenSSL CVE-2017-3730 proof-of-conceptPoC · poc_in_github

affected products (52)

Products and version ranges known to be affected.

Oracle Communications EAGLE LNP Application Processor 10.0all versionscert_bundDEcpe:/a:oracle:communications_eagle_lnp_application_processor:10.0
Oracle Communications EAGLE LNP Application Processor 10.1all versionscert_bundDEcpe:/a:oracle:communications_eagle_lnp_application_processor:10.1
Oracle Communications EAGLE LNP Application Processor 10.2all versionscert_bundDEcpe:/a:oracle:communications_eagle_lnp_application_processor:10.2
Oracle Communications LSMS 13.1all versionscert_bundDEcpe:/a:oracle:communications_lsms:13.1
Oracle Communications LSMS 13.2all versionscert_bundDEcpe:/a:oracle:communications_lsms:13.2
Oracle Communications LSMS 13.3all versionscert_bundDEcpe:/a:oracle:communications_lsms:13.3
Oracle Communications Messaging Server 8.0all versionscert_bundDEcpe:/a:oracle:communications_messaging_server:8.0
Oracle Communications Messaging Server 8.1all versionscert_bundDEcpe:/a:oracle:communications_messaging_server:8.1
Oracle Communications Policy Management 12.1all versionscert_bundDEcpe:/a:oracle:communications_policy_management:12.1
Oracle Communications Policy Management 12.2all versionscert_bundDEcpe:/a:oracle:communications_policy_management:12.2
Oracle Communications Policy Management 12.3all versionscert_bundDEcpe:/a:oracle:communications_policy_management:12.3
Oracle Communications Policy Management 12.4all versionscert_bundDEcpe:/a:oracle:communications_policy_management:12.4
Oracle Communications Service Broker 6.0all versionscert_bundDEcpe:/a:oracle:communications_service_broker:6.0
Oracle Communications Session Border Controller 8.0.0all versionscert_bundDEcpe:/a:oracle:communications_session_border_controller:8.0.0
Oracle Communications Session Border Controller 8.1.0all versionscert_bundDEcpe:/a:oracle:communications_session_border_controller:8.1.0
Oracle Communications Session Border Controller 8.2.0all versionscert_bundDEcpe:/a:oracle:communications_session_border_controller:8.2.0
Oracle Communications Unified Inventory Management 7.3.2all versionscert_bundDEcpe:/a:oracle:communications_unified_inventory_management:7.3.2
Oracle Communications Unified Inventory Management 7.3.4all versionscert_bundDEcpe:/a:oracle:communications_unified_inventory_management:7.3.4
Oracle Communications Unified Inventory Management 7.3.5all versionscert_bundDEcpe:/a:oracle:communications_unified_inventory_management:7.3.5
Oracle Communications Unified Inventory Management 7.4.0all versionscert_bundDEcpe:/a:oracle:communications_unified_inventory_management:7.4.0

showing 20 of 52

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-1914OpenSSL: Mehrere SchwachstellenDeutsch2017-01-26csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in OpenSSL ausnutzen, um einen Denial of Service Angriff durchzuführen oder vertrauliche Daten einzusehen.
WID-SEC-W-2025-1212Oracle Communications Applications: Mehrere SchwachstellenDeutsch2019-04-16csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Oracle Communications Applications ausnutzen, um dadurch die Integrität, Vertraulichkeit und Verfügbarkeit zu gefährden.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2017-05-04modified 2026-06-17

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+8751 more

references (31)

External citations — patches, advisories, analysis.

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