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CVE-2021-33842

8.8 · HIGH

Improper Authentication vulnerability in the cookie parameter of Circutor SGE-PLC1000 firmware version 0.9.2b allows an attacker to perform operations as an authenticated user.

Published Jun 9, 2021CWE-565EPSS 0.43%

Overview

CVE-2021-33842 is a high-severity vulnerability. It was published on June 9, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Improper Authentication vulnerability in the cookie parameter of Circutor SGE-PLC1000 firmware version 0.9.2b allows an attacker to perform operations as an authenticated user. In order to exploit this vulnerability, the attacker must be within the network where the device affected is located.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-improper-authenticationRefwww.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-improper-authentication

How CyberStrike helps

Frequently asked questions

What is CVE-2021-33842?

CVE-2021-33842 is a high-severity vulnerability. It was published on June 9, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2021-33842?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-33842?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-33842?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-33842 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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