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CVE-2021-20295

Quick assessment

Affected
n/a QEMU
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.

Red Hat Enterprise Linux是美国红帽（Red Hat）公司的面向企业用户的Linux操作系统 Red Hat Enterprise Linux 8.3发行版本中的qemu-kvm存在安全漏洞。

AI Predicted 6.5 Difficulty: Easy EPSS 0.30% · P20

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-20295

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 (https://access.redhat.com/errata/RHSA-2020:4676) erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756, which was previously corrected in virt:rhel/qemu-kvm via erratum RHSA-2020:4059 (https://access.redhat.com/errata/RHSA-2020:4059). CVE-2021-20295 was assigned to that Red Hat specific security regression. For more details about the original security issue CVE-2020-10756, refer to bug 1835986 or the CVE page: https://access.redhat.com/security/cve/CVE-2020-10756.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Enterprise Linux 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Enterprise Linux是美国红帽（Red Hat）公司的面向企业用户的Linux操作系统 Red Hat Enterprise Linux 8.3发行版本中的qemu-kvm存在安全漏洞。
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
- QEMU qemu-kvm 4.2.0-34 -

II. Public POCs for CVE-2021-20295

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III. Intelligence Information for CVE-2021-20295

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Vendor Advisories for CVE-2021-20295 (3)

Same Patch Batch · n/a · 2022-04-01 · 32 CVEs total

CVE-2022-25017 9.1 CRITICAL Hitron Technologies CHITA Router Firmware 操作系统命令注入漏洞
CVE-2022-21235 8.1 HIGH Command Injection
CVE-2022-24440 8.1 HIGH Command Injection
CVE-2022-21223 8.1 HIGH Command Injection
CVE-2022-24066 8.1 HIGH Command Injection
CVE-2022-22965 Spring Framework 代码注入漏洞
CVE-2021-20238 Red Hat OpenShift Container Platform 访问控制错误漏洞
CVE-2022-22950 Vmware Spring Framework 安全漏洞
CVE-2021-32503 SICK FieldEcho 资源管理错误漏洞
CVE-2021-3461 Red Hat Keycloak代码问题漏洞
CVE-2021-27223 Kaspersky Anti-Virus安全漏洞
CVE-2022-27534 Kaspersky Anti-Virus 安全漏洞
CVE-2022-25155 Mitsubishi Electric MELSEC iQ-F series 授权问题漏洞
CVE-2022-25156 Mitsubishi Electric MELSEC iQ-F series 加密问题漏洞
CVE-2022-25157 Mitsubishi Electric MELSEC iQ-F series 授权问题漏洞
CVE-2022-25159 Mitsubishi Electric MELSEC iQ-F series 安全漏洞
CVE-2022-25158 Mitsubishi Electric MELSEC iQ-F series 安全漏洞
CVE-2022-25160 Mitsubishi Electric Factory Automation 安全漏洞
CVE-2021-3847 Linux kernel 安全漏洞
CVE-2019-14839 Business-central 信息泄露漏洞

Showing top 20 of 32 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: QEMU
Same vendor: n/a
Same weakness: CWE-125

V. Comments for CVE-2021-20295

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