Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-20286

Quick assessment

Affected
n/a libnbd
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.

libnbd是一款用于编辑NBD（Network Block Device）客户端的库。 libnbd 1.7.3 存在安全漏洞，该漏洞源于nbd unlocked opt go in ilb opt.c断言失败可能会导致拒绝服务。

AI Predicted 5.3 Difficulty: Trivial EPSS 1.14% · P64

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-20286

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in libnbd 1.7.3. An assertion failure in nbd_unlocked_opt_go in ilb/opt.c may lead to denial of service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
libnbd 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libnbd是一款用于编辑NBD（Network Block Device）客户端的库。 libnbd 1.7.3 存在安全漏洞，该漏洞源于nbd unlocked opt go in ilb opt.c断言失败可能会导致拒绝服务。
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
- libnbd libnbd 1.7.3 -

II. Public POCs for CVE-2021-20286

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-20286

请登录查看更多情报信息。

Patches & Fixes for CVE-2021-20286 (1)

Vendor Advisories for CVE-2021-20286 (1)

Same Patch Batch · n/a · 2021-03-15 · 45 CVEs total

CVE-2021-23355 5.6 MEDIUM Arbitrary Command Injection
CVE-2021-23356 5.6 MEDIUM Arbitrary Command Injection
CVE-2021-28378 3.7 LOW Gitea 跨站脚本漏洞
CVE-2021-23357 3.3 LOW Directory Traversal
CVE-2021-26924 Argo 跨站脚本漏洞
CVE-2021-27893 SSH.COM SSH Tectia Client and Server 安全漏洞
CVE-2021-27891 SSH.COM SSH Tectia Client and Server 安全漏洞
CVE-2021-27208 Xilinx Zynq-7000 安全特征问题漏洞
CVE-2021-28379 Vesta Control Panel 代码问题漏洞
CVE-2021-28374 Debian courier-authlib 配置错误漏洞
CVE-2021-28375 Linux kernel 安全漏洞
CVE-2021-28363 urllib3 信任管理问题漏洞
CVE-2020-35358 Domainmod 代码问题漏洞
CVE-2021-26923 Argo 信息泄露漏洞
CVE-2021-27892 SSH.COM SSH Tectia Client and Server 安全漏洞
CVE-2021-3167 Cloudera Data Engineering 信息泄露漏洞
CVE-2021-27695 Tecnoteca openMAINT 跨站脚本漏洞
CVE-2020-24877 Depy zzzphp SQL注入漏洞
CVE-2021-27817 ShopXO 代码问题漏洞
CVE-2021-27889 MyBB 跨站脚本漏洞

Showing top 20 of 45 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: libnbd
Same vendor: n/a
Same weakness: CWE-617

V. Comments for CVE-2021-20286

No comments yet

Leave a comment