CVE-2021-21134
MEDIUMCVSS 6.5/10EPSS 5.04%
Last modified
CVE-2021-21134 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 5.04% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 88.0.4324.96 | |
| Microsoft | Edge Chromium | < 88.0.705.50 |
References
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1157800Permissions Required, Third Party Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21134Third Party Advisory
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1157800Permissions Required, Third Party Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21134Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-21134?
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.
How severe is CVE-2021-21134?
CVE-2021-21134 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 5.04% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21134?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-21129Insufficient policy enforcement in File System API in Google…6.5
- CVE-2021-2113Vulnerability in the Oracle Financial Services Revenue Manag…4.3
- CVE-2021-21130Insufficient policy enforcement in File System API in Google…6.5
- CVE-2021-21131Insufficient policy enforcement in File System API in Google…6.5
- CVE-2021-21132Inappropriate implementation in DevTools in Google Chrome pr…9.6
- CVE-2021-21133Insufficient policy enforcement in Downloads in Google Chrom…6.5
- CVE-2021-21135Inappropriate implementation in Performance API in Google Ch…6.5
- CVE-2021-21136Insufficient policy enforcement in WebView in Google Chrome …6.5
- CVE-2021-21137Inappropriate implementation in DevTools in Google Chrome pr…6.5
- CVE-2021-21138Use after free in DevTools in Google Chrome prior to 88.0.43…8.6
- CVE-2021-21139Inappropriate implementation in iframe sandbox in Google Chr…6.5
- CVE-2021-2114Vulnerability in the Oracle Common Applications Calendar pro…8.2
Are you affected by CVE-2021-21134?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST