CVE-2026-121624

Nanosystems Supremo before 5.0.2.3874 Improper TLS Certificate Validation

CVSS score

7.6

EPSS probability

—

Risk score

0.8

Published

3 h ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

Only the personal products you have added to your account are assessed; an organisation's inventory does not appear here.

Checking session…

Vulnerability description

DayBreach AI Explanation

Verified against sources

Nanosystems Supremo Improper TLS Certificate Validation

Sources read

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

Nanosystems Supremo contains an improper certificate validation vulnerability that allows adjacent attackers to intercept TLS connections by presenting untrusted certificates [S0].

Why does it matter?

Attackers on the same network can terminate and relay the client's TLS session to read usernames, SHA-256 password hashes, and license codes [S0].

What should be done?

Follow vendor advisories to update the software
Monitor suspicious network traffic
Strengthen adjacent network security

Chain of evidence and sources2 verified claims

Nanosystems Supremo for Windows ve macOS sürümlerinde 5.0.2.3874 öncesi kusurlu sertifika doğrulaması mevcuttur [S0].

S0 · daybreach-canonical S1 · cvelist

Saldırganlar kullanıcı adlarını, SHA-256 parola hash değerlerini ve lisans kodlarını okuyabilir [S0].

S0 · daybreach-canonical S1 · cvelist

Show the technical text from the sources

Nanosystems Supremo for Windows and macOS before 5.0.2.3874 contains an improper certificate validation vulnerability that allows adjacent attackers to intercept TLS connections by presenting untrusted certificates. Attackers on the same network can terminate and relay the client's TLS session using self-signed certificates to read usernames, SHA-256 password hashes, and license codes.

CVSS vector: CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CWE: CWE-295

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-121624 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	Nanosystems	Supremo	View

Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
7.6	CVSS V4_0	HIGH	CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N	CVE CNA
7.6	CVSS V40	HIGH	CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD
6.8	CVSS V3_1	MEDIUM	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N	CVE CNA
6.8	CVSS V31	MEDIUM	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N	NVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-121624 is associated with the following CWEs:

CWE-295: Common Weakness Enumeration Entry CWE-295

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-121624 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureBitişik ağ

PermissionsGerekmiyor

UserGerekmiyor

Official Sources and Advisories

https://pusi77.eu.org/blog/2026-11-03-supremo-tls-cvevendor-advisory https://www.supremocontrol.com/changelog/vendor-advisory https://www.supremocontrol.com/vendor-advisory VulnCheck Advisory: Nanosystems Supremo before 5.0.2.3874 Improper TLS Certificate Validationvendor-advisory

CVSS Vector Radar Chart

7.6 / 10

Vulnerability Scoring Details

CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Attack VectorAdjacent network

Attack ComplexityHigh

Privileges RequiredNone required

User InteractionNone required

Confidentiality (Gizlilik)High

Integrity (Bütünlük)None

Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

Nanosystems

Weakness Type (CWE & CAPEC)

CWE-295

Get this vulnerability through the API

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

Get a free key Documentation

curl -H "x-api-key: $DAYBREACH_API_KEY" \
  "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-121624"