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CVE-2020-12391

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 76之前版本中存在安全漏洞。攻击者可利用该漏洞绕过内容安全策略。

AI Predicted 6.1 Difficulty: Moderate EPSS 1.35% · P69

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2020-12391

Vulnerability Information

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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.
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 输入验证错误漏洞
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 76之前版本中存在安全漏洞。攻击者可利用该漏洞绕过内容安全策略。
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 unspecified ~ 76 -

II. Public POCs for CVE-2020-12391

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III. Intelligence Information for CVE-2020-12391

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Vendor Advisories for CVE-2020-12391 (2)

Same Patch Batch · Mozilla · 2020-05-26 · 12 CVEs total

CVE-2020-12396 Mozilla Firefox 缓冲区错误漏洞
CVE-2020-12395 Mozilla Firefox和Firefox ESR 缓冲区错误漏洞
CVE-2020-12394 Mozilla Firefox 输入验证错误漏洞
CVE-2020-12393 Mozilla Thunderbird、Firefox ESR和Firefox 注入漏洞
CVE-2020-12392 Mozilla Thunderbird 路径遍历漏洞
CVE-2020-12390 Mozilla Firefox 代码问题漏洞
CVE-2020-12389 Mozilla Firefox和Firefox ESR 输入验证错误漏洞
CVE-2020-12388 Mozilla Firefox和Firefox ESR 输入验证错误漏洞
CVE-2020-12387 Mozilla Thunderbird 资源管理错误漏洞
CVE-2020-6831 Mozilla Thunderbird、Firefox ESR和Firefox 缓冲区错误漏洞
CVE-2020-6830 Mozilla Firefox 信息泄露漏洞

IV. Related Vulnerabilities

V. Comments for CVE-2020-12391

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