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Vulnerability · Published Feb 9, 2021 · Assigned by mitre

CVE-2021-26676

Medium 6.5

In plain English

A medium-severity security flaw in the connman package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.2%top 32.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20connman1.39-r0ALPINE-CVE-2021-26676
Alpine:v3.21connman1.39-r0ALPINE-CVE-2021-26676
Alpine:v3.22connman1.39-r0ALPINE-CVE-2021-26676
Alpine:v3.23connman1.39-r0ALPINE-CVE-2021-26676
Alpine:v3.24connman1.39-r0ALPINE-CVE-2021-26676
Debian:12connman1.36-2.1DEBIAN-CVE-2021-26676
Debian:13connman1.36-2.1DEBIAN-CVE-2021-26676
Debian:14connman1.36-2.1DEBIAN-CVE-2021-26676
Ubuntu:22.04:LTSconnman1.36-2.3ubuntu0.1USN-6236-1

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References