CVE-2024-4603

mediumpriority · track · 0EPSS 0.011 · 66 %ileDEEUNLRUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.13% (66th) EPSS
CVSS 5.3 · medium
Is it mine?
252 products
Check your exposure
Who says so?
8 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

Issue summary: Checking excessively long DSA keys or parameters may be very slow. Impact summary: Applications that use the functions EVP_PKEY_param_check() or EVP_PKEY_public_check() to check a DSA public key or DSA parameters may experience long delays. Where the key or parameters that are being checked have been obtained from an untrusted source this may lead to a Denial of Service. The functions EVP_PKEY_param_check() or EVP_PKEY_public_check() perform various checks on DSA parameters. Some of those computations take a long time if the modulus (`p` parameter) is too large. Trying to use a very large modulus is slow and OpenSSL will not allow using public keys with a modulus which is over 10,000 bits in length for signature verification. However the key and parameter check functions do not limit the modulus size when performing the checks. An application that calls EVP_PKEY_param_check() or EVP_PKEY_public_check() and supplies a key or parameters obtained from an untrusted source could be vulnerable to a Denial of Service attack. These functions are not called by OpenSSL itself on untrusted DSA keys so only applications that directly call these functions may be vulnerable. Also vulnerable are the OpenSSL pkey and pkeyparam command line applications when using the `-check` option. The OpenSSL SSL/TLS implementation is not affected by this issue. The OpenSSL 3.0 and 3.1 FIPS providers are affected by this issue.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

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 · 4.9–7.5

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · CISA US
v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · FSTEC (BDU) RU
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondaryexploitability 3.9 · impact 1.4
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · Siemens ProductCERT DE
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · Phoenix Contact PSIRT DE
v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · NCSC-NL NL
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-404USCWE-606USCWE-606USCWE-606USCWE-834USCWE-834USCWE-834US
05

affected products (252)

Products and version ranges known to be affected.

showing 20 of 252
06

advisories (18)

Vendor and ecosystem advisories describing this.

  • NCSC-2024-0291 Kwetsbaarheden verholpen in Oracle Database ServerNL2024-07-17csaf · ncsc_nlNL

    Er zijn kwetsbaarheden verholpen in Oracle Database Server.

  • NCSC-2024-0411Kwetsbaarheden verholpen in Oracle Database productenNL2024-10-17csaf · ncsc_nlNL

    Oracle heeft kwetsbaarheden verholpen in diverse Database producten en subsystemen, zoals de Core database, Application Express, Autonomous Health Framework, Essbase, GoldenGate, SQL Developer en Secure Backup.

  • NCSC-2024-0414Kwetsbaarheden verholpen in Oracle CommunicationsNL2024-10-17csaf · ncsc_nlNL

    Oracle heeft kwetsbaarheden verholpen in diverse Communications producten en systemen.

  • NCSC-2024-0433Kwetsbaarheden verholpen in Siemens productenNL2024-11-12csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in diverse producten als Mendix, RUGGEDCOM, SCALANCE, SIMATIC en SINEC.

  • NCSC-2025-0023Kwetsbaarheden verholpen in Oracle PeopleSoftNL2025-01-22csaf · ncsc_nlNL

    Oracle heeft meerdere kwetsbaarheden verholpen in Oracle PeopleSoft, specifiek in de versies 8.60, 8.61 en 9.2.

  • NCSC-2025-0061Kwetsbaarheden verholpen in Siemens productenNL2025-02-14csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in diverse producten als APOGEE, Opcenter, RUGGEDCOM, SCALANCE, SIMATIC, SIPROTEC en Teamcenter.

  • SSA-354112SSA-354112: Multiple Vulnerabilities in SCALANCE M-800 Family Before V8.22024-11-12csaf · siemens_psirtDE

    SCALANCE M-800 family before V8.2 is affected by multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • SSA-613116SSA-613116: Multiple Vulnerabilities in Third-Party Components in SINEC OS before V3.12025-08-12csaf · siemens_psirtDE

    SINEC OS before V3.1 contains third-party components with multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • SSA-769027SSA-769027: Multiple Vulnerabilities fixed in SCALANCE W700 IEEE 802.11ax devices before V3.0.02025-02-11csaf · siemens_psirtDE

    SCALANCE W-700 IEEE 802.11ax family devices are affected by multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • VDE-2024-071Phoenix Contact: Multiple Vulnerabilities in PLCnext Firmware2024-12-09csaf · phoenix_contact_psirtDE

    Multiple Linux component vulnerabilities fixed in latest PLCnext Firmware release 2024.0.6 LTS

  • WID-SEC-W-2024-1171OpenSSL: Schwachstelle ermöglicht Denial of ServiceDeutsch2024-05-16csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in OpenSSL ausnutzen, um einen Denial of Service Angriff durchzuführen.

  • WID-SEC-W-2024-1645Oracle Database Server: Mehrere SchwachstellenDeutsch2024-07-16csaf · cert_bundDE

    Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Database Server ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.

  • WID-SEC-W-2024-2112Insyde UEFI Firmware: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2024-09-10csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Insyde UEFI Firmware ausnutzen, um einen Denial of Service Angriff durchzuführen.

  • WID-SEC-W-2024-3195Oracle Communications: Mehrere SchwachstellenDeutsch2024-10-15csaf · cert_bundDE

    Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Communications ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.

  • WID-SEC-W-2025-0647Splunk Splunk Enterprise: Mehrere SchwachstellenDeutsch2025-03-26csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Splunk Splunk Enterprise ausnutzen, um Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen preiszugeben, Daten zu manipulieren, Code auszuführen, einen Denial-of-Service-Zustand zu verursachen und weitere, nicht spezifizierte Auswirkungen zu verursachen.

  • ICSA-24-319-06Siemens SCALANCE M-800 Family2024-11-12icsa · cisa_csaf_otUS

    SCALANCE M-800 family before V8.2 is affected by multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • ICSA-25-044-09Siemens SCALANCE W700 IEEE 802.11ax2025-02-11icsa · cisa_csaf_otUS

    SCALANCE W-700 IEEE 802.11ax family devices are affected by multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • ICSA-25-226-15Siemens SINEC OS2025-08-12icsa · cisa_csaf_otUS

    SINEC OS before V3.1 contains third-party components with multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundncsc_nlsiemens_psirtphoenix_contact_psirtcisa_csaf_otNVDCVE.orgMITRE
published 2024-05-16modified 2026-06-17
09

references (21)

External citations — patches, advisories, analysis.

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