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CVE-2021-26676

6.5 · MEDIUM

gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.

Published Feb 9, 2021EPSS 1.16%

Overview

CVE-2021-26676 is a medium-severity vulnerability. It was published on February 9, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.

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

Refbugzilla.suse.com/show_bug.cgi?id=1181751Refgit.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676faRefgit.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1Refgit.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLogRefkunnamon.io/tbone/Reflists.debian.org/debian-lts-announce/2021/02/msg00013.htmlRefsecurity.gentoo.org/glsa/202107-29Refwww.debian.org/security/2021/dsa-4847Refwww.openwall.com/lists/oss-security/2021/02/08/2Refbugzilla.suse.com/show_bug.cgi?id=1181751

How CyberStrike helps

Frequently asked questions

What is CVE-2021-26676?

CVE-2021-26676 is a medium-severity vulnerability. It was published on February 9, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2021-26676?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. 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-2021-26676?

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-2021-26676?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-26676 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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