CVE-2021-3823— Path traversal vulnerability in Bitdefender GravitZone Update Server in relay mode
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-3823
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View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Path traversal vulnerability in Bitdefender GravitZone Update Server in relay mode
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects: Bitdefender GravityZone versions prior to 3.3.8.249.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Bitdefender GravityZone 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bitdefender GravityZone Business是美国Bitdefender公司的一个扫描软件。 Bitdefender GravityZone存在路径遍历漏洞，该漏洞源于Bitdefender GravityZone的UpdateServer组件存在路径名到受限目录的错误限制(路径遍历)漏洞，攻击者可利用该漏洞可以在脆弱实例上执行任意代码。此问题影响:Bitdefender GravityZone之前的版本3.3.8.249。
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 |
|---|---|---|---|---|
| Bitdefender | GravityZone Update Server | unspecified ~ 3.3.8.249 | - |
II. Public POCs for CVE-2021-3823
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-3823
请登录查看更多情报信息。
Same Patch Batch · Bitdefender · 2021-10-28 · 3 CVEs total
| CVE-2021-3576 | 7.8 HIGH | Privilege escalation via SeImpersonatePrivilege |
| CVE-2021-3579 | 7.8 HIGH | Incorrect Default Permissions vulnerability in bdservicehost.exe and Vulnerability.Scan.ex |
IV. Related Vulnerabilities
Same vendor: Bitdefender
- CVE-2025-7073
Local Privilege Escalation via Arbitrary File Operation in B - CVE-2025-5317
Improper access restriction to critical folder in Bitdefende - CVE-2025-2245
Server Side Request Forgery in GravityZone Update Server Usi - CVE-2025-2243
SSRF in GravityZone Console via DNS Truncation (VA-12634) - CVE-2025-2244
Insecure PHP deserialization issue in GravityZone Console (V
Same weakness: CWE-22
- CVE-2026-8274
npitre cramfs-tools Directory cramfsck.c do_directory path t - CVE-2022-50956
WordPress Plugin amministrazione-aperta 3.7.3 Local File Rea - CVE-2026-8215
Industrial Application Software IAS Canias ERP RMI iasReques - CVE-2026-42605
AzuraCast: Path Traversal in `currentDirectory` Parameter En - CVE-2026-42574
apko dirFS has a symlink-following path traversal that allow
V. Comments for CVE-2021-3823
No comments yet