CVE-2021-21134
MEDIUM
6.5
CVSS Score
Published: February 9, 2021 at 01:56 PM UTC
Updated: June 17, 2026 at 03:34 AM UTC
2 products affected across 2 vendorsChromeEdge Chromium· also runs on 1 platform
Using Chrome by Google?
Get instant alerts when new vulnerabilities affect Chrome - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.5
Exploit prediction
EPSS 5%
Description
Incorrect security UI in Page Info in Google Chrome on iOS prior to 88.0.4324.96 allowed a remote attacker to spoof security UI via a crafted HTML page.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 88.0.4324.96
Affected range stops below 88.0.4324.96, so it looks safe — our inference, not a vendor statement
apple-iphone-os (environment)
v < 88.0.705.50
Affected range stops below 88.0.705.50, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlx_refsource_MISCPermissions RequiredThird Party Advisory
Source: [email protected]
https://crbug.com/1157800x_refsource_MISCThird Party Advisory
Source: [email protected]
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21134CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-290
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card