Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-23963

Quick assessment

Affected
Mozilla Firefox
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 85.0版本之前存在安全漏洞。该漏洞源于在有效的WebRTC共享期间共享地理位置时，Firefox可能会在用户界面中重置webRTC共享状态，从而导致无法控制当前授予的权限。

AI Predicted 5.9 Difficulty: Easy EPSS 0.66% · P49

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-23963

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When sharing geolocation during an active WebRTC share, Firefox could have reset the webRTC sharing state in the user interface, leading to loss of control over the currently granted permission. This vulnerability affects Firefox < 85.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mozilla Firefox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 85.0版本之前存在安全漏洞。该漏洞源于在有效的WebRTC共享期间共享地理位置时，Firefox可能会在用户界面中重置webRTC共享状态，从而导致无法控制当前授予的权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Mozilla Firefox < 85 -

II. Public POCs for CVE-2021-23963

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-23963

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-23963 (2)

Same Patch Batch · Mozilla · 2021-02-26 · 25 CVEs total

CVE-2021-23960 Mozilla Firefox 安全漏洞
CVE-2021-23976 Mozilla Firefox 安全漏洞
CVE-2021-23975 Mozilla Firefox 安全漏洞
CVE-2021-23974 Mozilla Firefox 安全漏洞
CVE-2021-23973 Mozilla Thunderbird 安全漏洞
CVE-2021-23972 Mozilla Firefox 安全漏洞
CVE-2021-23971 Mozilla Firefox 安全漏洞
CVE-2021-23970 Mozilla Firefox 安全漏洞
CVE-2021-23969 Mozilla Thunderbird 安全漏洞
CVE-2021-23968 Mozilla Thunderbird 安全漏洞
CVE-2021-23962 Mozilla Firefox 安全漏洞
CVE-2021-23961 Mozilla Firefox 安全漏洞
CVE-2021-23964 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-23959 Mozilla Firefox 跨站脚本漏洞
CVE-2021-23958 Mozilla Firefox 信息泄露漏洞
CVE-2021-23957 Mozilla Firefox 安全漏洞
CVE-2021-23956 Mozilla Firefox 安全漏洞
CVE-2021-23955 Mozilla Firefox 安全漏洞
CVE-2021-23954 Mozilla Firefox 安全漏洞
CVE-2021-23953 Mozilla Firefox 安全漏洞

Showing top 20 of 25 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2021-23963

No comments yet

Leave a comment