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CVE-2021-43269

8.8 · HIGH

In Code42 app before 8.8.0, eval injection allows an attacker to change a device’s proxy configuration to use a malicious proxy auto-config (PAC) file, leading to arbitrary code execution.

Published Jan 20, 2022CWE-94EPSS 1.34%

Overview

CVE-2021-43269 is a high-severity vulnerability. It was published on January 20, 2022 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 can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

In Code42 app before 8.8.0, eval injection allows an attacker to change a device’s proxy configuration to use a malicious proxy auto-config (PAC) file, leading to arbitrary code execution. This affects Incydr Basic, Advanced, and Gov F1; CrashPlan Cloud; and CrashPlan for Small Business. (Incydr Professional and Enterprise are unaffected.)

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

Refsupport.code42.com/Terms_and_conditions/Code42_customer_support_resources/Code42_security_advisories/Arbitrary_code_execution_via_malicious_Code42_app_proxy_configurationRefwww.code42.com/r/support/CVE-2021-43269Refsupport.code42.com/Terms_and_conditions/Code42_customer_support_resources/Code42_security_advisories/Arbitrary_code_execution_via_malicious_Code42_app_proxy_configurationRefwww.code42.com/r/support/CVE-2021-43269

How CyberStrike helps

Frequently asked questions

What is CVE-2021-43269?

CVE-2021-43269 is a high-severity vulnerability. It was published on January 20, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2021-43269?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-43269?

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-2021-43269?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-43269 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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