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Fencer Vulns
low 3.3

CVE-2021-37964 json

Inappropriate implementation in ChromeOS Networking in Google Chrome on ChromeOS prior to 94.0.4606.54 allowed an attacker with a rogue wir…

published 2021-10-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24437

cvss
3.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

Inappropriate implementation in ChromeOS Networking in Google Chrome on ChromeOS prior to 94.0.4606.54 allowed an attacker with a rogue wireless access point to to potentially carryout a wifi impersonation attack via a crafted ONC file.

Patch / fix

  • Google Chrome 94.0.4606.54
  • chromium Debian 14, Debian 13, Debian 12 97.0.4692.71-0.1

debian advisories DEBIAN-CVE-2021-37964

  • chromium-browser Ubuntu 18.04 LTS 94.0.4606.71-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2021-37964

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • chromium openSUSE Tumbleweed 94.0.4606.71-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1
  • chromium openSUSE Leap 15.2 94.0.4606.81-lp152.2.132.1
  • chromium Package Hub 15 SP3, openSUSE Leap 15.3 94.0.4606.71-bp153.2.31.1

opensuse advisories openSUSE-SU-2024:11555-1openSUSE-SU-2024:12948-1openSUSE-SU-2021:1350-1openSUSE-SU-2021:1339-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-37964 updated cvss 6.5

chromium-browser: Inappropriate implementation in ChromeOS Networking

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • Google Chrome

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.