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Vulnerability record · CVE-2021-26676 · published 9 February 2021

CVE-2021-26676: Intel connman vulnerability

Intel · Connman

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.

6.5 CVSS 3.1 Medium EPSS 1.2% · top 33.8%
6.5CVSS 3.1 base score, v2 3.3
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.suse.com/show_bug.cgi?id=1181751 Issue TrackingThird Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676fa PatchThird Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1 PatchThird Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLog Release NotesThird Party Advisory
https://kunnamon.io/tbone/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00013.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202107-29 Third Party Advisory
https://www.debian.org/security/2021/dsa-4847 Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/02/08/2 Mailing ListThird Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1181751 Issue TrackingThird Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676fa PatchThird Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1 PatchThird Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLog Release NotesThird Party Advisory
https://kunnamon.io/tbone/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00013.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202107-29 Third Party Advisory
https://www.debian.org/security/2021/dsa-4847 Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/02/08/2 Mailing ListThird Party Advisory

Track CVE-2021-26676 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Source: NIST National Vulnerability Database (record CVE-2021-26676), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.