VDB-411077 · CVE-2026-90924 · GCVE-0-2026-90924

Logsign SIEM up to 6.4.116 default credentials

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.6	$0-$5k	0.00

Summaryinfo

A vulnerability identified as very critical has been detected in Innotim Software, Telecommunications and Consultancy Trade Logsign SIEM up to 6.4.116. The impacted element is an unknown function. The manipulation leads to default credentials. This vulnerability is uniquely identified as CVE-2026-90924. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Innotim Software, Telecommunications and Consultancy Trade Logsign SIEM up to 6.4.116. This issue affects some unknown functionality. The manipulation with an unknown input leads to a default credentials vulnerability. Using CWE to declare the problem leads to CWE-1392. The product uses default credentials (such as passwords or cryptographic keys) for potentially critical functionality. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Use of default credentials vulnerability in Innotim Software, Telecommunications and Consultancy Trade Ltd. Co. Logsign SIEM allows Try Common or Default Usernames and Passwords. This issue affects Logsign SIEM: from 6.4.101 before 6.4.117.

The advisory is shared at siberguvenlik.gov.tr. The identification of this vulnerability is CVE-2026-90924 since 09/14/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/28/2026).

Upgrading to version 6.4.117 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Innotim Software, Telecommunications and Consultancy Trade

Name

Logsign SIEM

Version

6.4.116

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.9
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (TR-CERT): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Default credentials
CWE: CWE-1392
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Logsign SIEM 6.4.117

Timelineinfo

09/14/2026 CVE reserved
09/28/2026 +14 days Advisory disclosed
09/28/2026 +0 days VulDB entry created
09/28/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: siberguvenlik.gov.tr
Status: Confirmed

CVE: CVE-2026-90924 (🔒)
GCVE (CVE): GCVE-0-2026-90924
GCVE (VulDB): GCVE-100-411077

Entryinfo

Created: 09/28/2026 16:15
Changes: 09/28/2026 16:15 (62)
Complete: 🔍
Cache ID: 216::103