CVE-2021-20294
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I. Basic Information for CVE-2021-20294
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in binutils readelf 2.35 program. An attacker who is able to convince a victim using readelf to read a crafted file could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The highest impact of this flaw is to confidentiality, integrity, and availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
binutils readelf 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
binutils readelf是一个应用软件。显示有关一个或多个ELF格式对象文件的信息。 binutils readelf 2.35 program 存在缓冲区错误漏洞，攻击者可利用该漏洞如果能够说服受害者使用readelf读取精心制作的文件，就可能触发堆栈缓冲区溢出。
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 |
|---|---|---|---|---|
| - | binutils | binutils 2.35.2 | - |
II. Public POCs for CVE-2021-20294
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Simple CVE-2021-20294 poc | https://github.com/tin-z/CVE-2021-20294-POC | POC Details |
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- https://security.gentoo.org/glsa/202208-30vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-20294
Same Patch Batch · n/a · 2021-04-29 · 54 CVEs total
| CVE-2021-25812 | China Mobile An Lianbao WF-1 命令注入漏洞 | |
| CVE-2020-18035 | JEESNS 跨站脚本漏洞 | |
| CVE-2020-21452 | uniview ISC2500-S 代码问题漏洞 | |
| CVE-2020-22807 | vtiger crm SQL注入漏洞 | |
| CVE-2020-18032 | Graphviz 安全漏洞 | |
| CVE-2020-21101 | Screenly screenly-ose 跨站脚本漏洞 | |
| CVE-2020-22808 | yii2_fecshop 跨站脚本漏洞 | |
| CVE-2021-30230 | China Mobile An Lianbao WF-1 router 操作系统命令注入漏洞 | |
| CVE-2021-30229 | China Mobile An Lianbao WF-1 router 操作系统命令注入漏洞 | |
| CVE-2021-30228 | China Mobile An Lianbao WF-1 router 操作系统命令注入漏洞 | |
| CVE-2021-30231 | China Mobile An Lianbao WF-1 router 操作系统命令注入漏洞 | |
| CVE-2021-25811 | MERCUSYS Mercury X18G 安全漏洞 | |
| CVE-2021-25810 | Mercusys Mercury X18G 跨站脚本漏洞 | |
| CVE-2021-20228 | Red Hat Ansible 信息泄露漏洞 | |
| CVE-2021-29350 | 发货100-设计素材下载系统 SQL注入漏洞 | |
| CVE-2021-30227 | Emlog 跨站脚本漏洞 | |
| CVE-2021-28280 | Phpfusion 跨站脚本漏洞 | |
| CVE-2021-30224 | Rukovoditel 跨站请求伪造漏洞 | |
| CVE-2021-30219 | samurai 代码问题漏洞 | |
| CVE-2021-30218 | samurai 代码问题漏洞 |
Showing top 20 of 54 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: binutils
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GNU Binutils prdbg.c tg_tag_type return value - CVE-2025-11495
GNU Binutils Linker elf64-x86-64.c elf_x86_64_relocate_secti - CVE-2025-11494
GNU Binutils Linker elfxx-x86.c _bfd_x86_elf_late_size_secti - CVE-2025-11414
GNU Binutils Linker elflink.c get_link_hash_entry out-of-bou
Same vendor: n/a
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Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2021-20294
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