CVE-2025-4947

mediumpriority · track · 0EPSS 0.003 · 23 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.30% (23rd) EPSS

CVSS 6.5 · medium

Is it mine?

28 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

libcurl accidentally skips the certificate verification for QUIC connections when connecting to a host specified as an IP address in the URL. Therefore, it does not detect impostors or man-in-the-middle attacks.

cvss

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

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondaryexploitability 3.9 · impact 2.5

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-295USprimaryCWE-295US

affected products (28)

Products and version ranges known to be affected.

Dell Secure Connect Gateway Appliance <5.32.00.18all versionscert_bundDE
Open Source libcurl <8.14.0all versionscert_bundDE
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Splunk Splunk Enterprise <10.0.1all versionscert_bundDE
Splunk Splunk Enterprise <9.2.8all versionscert_bundDE
Splunk Splunk Enterprise <9.3.6all versionscert_bundDE
Splunk Splunk Enterprise <9.4.4all versionscert_bundDE
Tenable Security Nessus Network Monitor <6.5.3all versionscert_bundDE
Dell Secure Connect Gateway≤ Appliance <5.32.00.18cert_bundDE
Open Source libcurl< 8.14.0cert_bundDE
Splunk Splunk Enterprise< 10.0.1cert_bundDE
Splunk Splunk Enterprise< 9.2.8cert_bundDE
Splunk Splunk Enterprise< 9.3.6cert_bundDE
Splunk Splunk Enterprise< 9.4.4cert_bundDE
Tenable Security Nessus Network Monitor< 6.5.3cert_bundDE
curl curl≤ 8.8.0 ≤8.8.0enisa_euvdEU
curl curl≤ 8.10.1 ≤8.10.1enisa_euvdEU
curl curl≤ 8.12.1 ≤8.12.1enisa_euvdEU
curl curl≤ 8.11.1 ≤8.11.1enisa_euvdEU

showing 20 of 28

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1151libcurl: Mehrere Schwachstellen ermöglichen Umgehen von SicherheitsvorkehrungenDeutsch2025-05-27csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in libcurl ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
CURL-CVE-2025-4947QUIC certificate check skip with wolfSSL2025-05-28vendor · osvUS
libcurl accidentally skips the certificate verification for QUIC connections when connecting to a host specified as an IP address in the URL. Therefore, it does not detect impostors or man-in-the-middle attacks.

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 osv NVD CVE.org MITRE

published 2025-05-28modified 2026-06-17

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+1889 more

references (14)

External citations — patches, advisories, analysis.

scry

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