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01 Record

CVE-2021-37994

Inappropriate implementation in iFrame Sandbox in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

UnratedPUBLISHEDCNA: Chrome
CNA base scoreUnratedNo CNA CVSS vector

02 Description

Inappropriate implementation in iFrame Sandbox in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.81% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 56.7% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-11-02 21:05Z4 YR AGO
Last updated
2024-08-04 01:30Z2 YR AGO
Reserved
2021-08-03
Assigning CNA
Chrome
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
6326129651a569185f46f1ce4e12f019aeb50be0d751cdadb9511efd60a22122

05 Affected products

VendorProductVersionsPlatforms
GoogleChrome< 95.0.4638.54—

06 References

07 Fixed in

Arch Linux

  • chromium
    Fixed in 95.0.4638.54-1
  • vivaldi
    Fixed in 5.0.2497.24-1

Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.

Debian 12

  • chromium
    Fixed in 97.0.4692.71-0.1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • chromium
    Fixed in 97.0.4692.71-0.1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • chromium
    Fixed in 97.0.4692.71-0.1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • chromium-browser
    Fixed in 95.0.4638.69-0ubuntu0.18.04.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.