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CVE-2021-26937

Quick assessment

Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GNU Screen是美国GNU社区的一个应用软件。提供一个物理终端上获得多个虚拟终端的效果。 GNU Screen 中的encoding.c文件存在参数注入漏洞，该漏洞源于未对输入的UTF-8字符安全处理，远程攻击者可通过特殊的UTF-8字符导致产品引发拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 9.15% · P95

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-26937

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.
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
GNU Screen 参数注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU Screen是美国GNU社区的一个应用软件。提供一个物理终端上获得多个虚拟终端的效果。 GNU Screen 中的encoding.c文件存在参数注入漏洞，该漏洞源于未对输入的UTF-8字符安全处理，远程攻击者可通过特殊的UTF-8字符导致产品引发拒绝服务。
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
- n/a n/a -

II. Public POCs for CVE-2021-26937

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III. Intelligence Information for CVE-2021-26937

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Vendor Advisories for CVE-2021-26937 (1)

Mailing List Discussions for CVE-2021-26937 (6)

Other References for CVE-2021-26937 (1)

Same Patch Batch · n/a · 2021-02-09 · 46 CVEs total

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CVE-2020-16144 Owncloud 安全漏洞

Showing top 20 of 46 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-26937

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