CVE-2023-27152

criticalpriority · track · 39EPSS 0.011 · 66 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.11% (66th) EPSS

CVSS 9.8 · critical

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-28

DECISO OPNsense 23.1 does not impose rate limits for authentication, allowing attackers to perform a brute-force attack to bypass authentication.

cvss

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

9.8

010

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

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-307USprimary

affected products (3)

Products and version ranges known to be affected.

Open Source OPNsense 23.1all versionscert_bundDEcpe:/a:opnsense:opnsense:23.1
n/a n/a≤ n/aenisa_euvdEU
opnsense opnsense= 23.1nvdUScpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2728OPNsense: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2023-10-23csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in OPNsense ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2023-10-23modified 2026-06-17

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references (4)

External citations — patches, advisories, analysis.

scry

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