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CVE-2020-26953

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和Mozilla Thunderbird都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Thunderbird是一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Mozilla FireFox 和 Mozilla Thunderbird 存在安全漏洞，该漏洞源于有可能导致浏览器进入全屏模式而不显示安全UI;这样就有可能尝试钓鱼

AI Predicted 5.3 Difficulty: Easy EPSS 1.27% · P68
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I. Basic Information for CVE-2020-26953

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
It was possible to cause the browser to enter fullscreen mode without displaying the security UI; thus making it possible to attempt a phishing attack or otherwise confuse the user. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
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 和 Mozilla Thunderbird 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox和Mozilla Thunderbird都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Thunderbird是一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Mozilla FireFox 和 Mozilla Thunderbird 存在安全漏洞，该漏洞源于有可能导致浏览器进入全屏模式而不显示安全UI;这样就有可能尝试钓鱼
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 < 83 -
Mozilla Firefox ESR < 78.5 -
Mozilla Thunderbird < 78.5 -

II. Public POCs for CVE-2020-26953

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III. Intelligence Information for CVE-2020-26953

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Vendor Advisories for CVE-2020-26953 (4)

Same Patch Batch · Mozilla · 2020-12-09 · 21 CVEs total

CVE-2020-26961 Mozilla Firefox 安全漏洞
CVE-2020-26970 Mozilla Thunderbird 缓冲区错误漏洞
CVE-2020-26969 Mozilla Firefox ESR 缓冲区错误漏洞
CVE-2020-26968 Mozilla Firefox ESR 缓冲区错误漏洞
CVE-2020-26967 Mozilla Firefox 安全漏洞
CVE-2020-26966 Mozilla Firefox 安全漏洞
CVE-2020-26965 Mozilla Firefox 安全漏洞
CVE-2020-26964 Mozilla Firefox for Android 安全漏洞
CVE-2020-26963 Mozilla Firefox 安全漏洞
CVE-2020-26962 Mozilla Firefox 安全漏洞
CVE-2020-26950 Mozilla Firefox 资源管理错误漏洞
CVE-2020-26960 Mozilla Firefox 资源管理错误漏洞
CVE-2020-26959 Mozilla Firefox 资源管理错误漏洞
CVE-2020-26958 Mozilla Firefox ESR 跨站脚本漏洞
CVE-2020-26957 Mozilla Firefox for Android 安全漏洞
CVE-2020-26956 多款Mozilla产品跨站脚本漏洞
CVE-2020-26955 Mozilla Firefox 安全漏洞
CVE-2020-26954 Mozilla Firefox 安全漏洞
CVE-2020-26952 Mozilla Firefox 缓冲区错误漏洞
CVE-2020-26951 Mozilla Firefox 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2020-26953

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