CVE-2023-37777

Critical

Published: 22 January 2025

Published

22 January 2025

Modified

15 April 2026

KEV Added

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Patch

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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0011 28.7th percentile

Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-37777 is a critical-severity SQL Injection (CWE-89) vulnerability in Infosecwriteups (inferred from references). Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 28.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2023-37777 is a SQL injection vulnerability affecting Synnefo Internet Management Software (IMS) version 2023 and earlier. The flaw arises from improper input validation in a specific API endpoint parameter, enabling attackers to inject and manipulate SQL queries through crafted input. Assigned a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) and mapped to CWE-89, it was published on 2025-01-22.

Remote attackers require only network access with no authentication, privileges, or user interaction to exploit this vulnerability over the network with low complexity. Successful exploitation grants unauthorized access to database records using DB administrator privileges, allowing attackers to escalate privileges further and execute arbitrary operating system commands.

Mitigation details are available in the referenced advisories, including the vendor site at https://synnefoims.com/ and the discovery write-up at https://infosecwriteups.com/how-i-discovered-a-critical-vulnerability-in-an-internet-service-providers-software-56c6cc00f338.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2023-41653

Vulnerability details

A SQL injection vulnerability exists in Synnefo Internet Management Software (IMS) version 2023 and earlier. This vulnerability occurs due to improper input validation in a specific API endpoint parameter allowing an attacker to manipulate SQL queries via crafted input. Successful…

exploitation could lead to unauthorized access to database records with DB administrator privileges which can be leveraged to escalate privileges further and execute arbitrary OS commands.

CWE(s): CWE-89

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

Why these techniques?

SQL injection in public-facing IMS API endpoint directly enables remote unauthenticated exploitation of a web application (T1190), leading to DB compromise and OS command execution.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1