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7.5
HIGH CVSS 3.1
CVE-2021-3019
Lanproxy ffay Directory Traversal
Description

ffay lanproxy 0.1 allows Directory Traversal to read /../conf/config.properties to obtain credentials for a connection to the intranet.

INFO

Published Date :

Jan. 5, 2021, 5:15 a.m.

Last Modified :

Nov. 21, 2024, 6:20 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2021-3019 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Lanproxy_project lanproxy
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
Public PoC/Exploit Available at Github

CVE-2021-3019 has a 33 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-3019.

URL Resource
https://github.com/ffay/lanproxy/commits/master Patch Third Party Advisory
https://github.com/maybe-why-not/lanproxy/issues/1 Exploit Third Party Advisory
https://github.com/ffay/lanproxy/commits/master Patch Third Party Advisory
https://github.com/maybe-why-not/lanproxy/issues/1 Exploit Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-3019 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-3019 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
intercladire/Awesome-POC

None

Updated: 3 weeks, 4 days ago
1 stars 0 fork 0 watcher
Born at : Oct. 5, 2025, 7:46 p.m. This repo has been linked 250 different CVEs too.
Profile Photo
XiaomingX/awesome-poc-for-red-team

A curated collection of Proof of Concept (PoC) tools, scripts, and techniques designed for red team operations, penetration testing, and cybersecurity research. This repository focuses on providing practical resources for exploring vulnerabilities

attack cybersecurity exp hw penetration-testing poc red-team security-tools vulnerability-poc

Updated: 9 months, 1 week ago
5 stars 3 fork 3 watcher
Born at : Nov. 17, 2024, 11:53 a.m. This repo has been linked 414 different CVEs too.
Profile Photo
NaInSec/CVE-PoC-in-GitHub

All CVE - PoC in GitHub

poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate

Updated: 4 months, 4 weeks ago
12 stars 3 fork 3 watcher
Born at : March 22, 2024, 3:58 p.m. This repo has been linked 931 different CVEs too.
Profile Photo
zecool/cve

None

Updated: 4 months, 1 week ago
2 stars 0 fork 0 watcher
Born at : March 11, 2024, 1:21 p.m. This repo has been linked 935 different CVEs too.
Profile Photo
d4n-sec/d4n-sec.github.io

None

CSS HTML JavaScript

Updated: 1 year, 8 months ago
0 stars 0 fork 0 watcher
Born at : Feb. 2, 2024, 2:11 p.m. This repo has been linked 494 different CVEs too.
Profile Photo
a1665454764/CVE-2021-3019

CVE-2021-3019

Python

Updated: 1 year, 11 months ago
0 stars 0 fork 0 watcher
Born at : Aug. 30, 2023, 9:41 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
ArrestX/--POC

poc集合(持续更新ing)

Updated: 4 months, 1 week ago
3 stars 0 fork 0 watcher
Born at : July 30, 2023, 1:30 a.m. This repo has been linked 154 different CVEs too.
Profile Photo
NyxAzrael/Goby_POC

在公网收集的gobypoc+部分自己加的poc

Updated: 3 months, 1 week ago
111 stars 8 fork 8 watcher
Born at : July 28, 2023, 4:28 p.m. This repo has been linked 296 different CVEs too.
Profile Photo
0day404/vulnerability-poc

A Common Vulnerability PoC Knowledge Base一个普遍漏洞POC知识库

vulnerability

Updated: 5 months, 2 weeks ago
21 stars 6 fork 6 watcher
Born at : June 24, 2023, 3:12 p.m. This repo has been linked 232 different CVEs too.
Profile Photo
whoforget/CVE-POC

None

Updated: 2 years, 7 months ago
0 stars 2 fork 2 watcher
Born at : April 8, 2023, 6:19 a.m. This repo has been linked 928 different CVEs too.
Profile Photo
k0mi-tg/CVE-POC

None

Updated: 1 year, 8 months ago
20 stars 3 fork 3 watcher
Born at : Feb. 14, 2023, 6:10 p.m. This repo has been linked 921 different CVEs too.
Profile Photo
20142995/pocsuite3

pocsuite3 POC 588个

Python

Updated: 9 months ago
111 stars 23 fork 23 watcher
Born at : Nov. 26, 2022, 5:52 a.m. This repo has been linked 108 different CVEs too.
Profile Photo
WhooAmii/POC_to_review

None

Updated: 5 months, 1 week ago
2 stars 2 fork 2 watcher
Born at : Nov. 25, 2022, 5:43 p.m. This repo has been linked 935 different CVEs too.
Profile Photo
20142995/Goby

None

Python Go

Updated: 9 months ago
576 stars 138 fork 138 watcher
Born at : Nov. 25, 2022, 5:20 a.m. This repo has been linked 174 different CVEs too.
Profile Photo
merlinepedra/nuclei-templates

None

Updated: 3 years, 3 months ago
0 stars 0 fork 0 watcher
Born at : July 6, 2022, 8:40 a.m. This repo has been linked 157 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-3019 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2021-3019 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/ffay/lanproxy/commits/master
    Added Reference https://github.com/maybe-why-not/lanproxy/issues/1
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 07, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://github.com/ffay/lanproxy/commits/master No Types Assigned https://github.com/ffay/lanproxy/commits/master Patch, Third Party Advisory
    Changed Reference Type https://github.com/maybe-why-not/lanproxy/issues/1 No Types Assigned https://github.com/maybe-why-not/lanproxy/issues/1 Exploit, Third Party Advisory
    Added CWE NIST CWE-22
    Added CPE Configuration OR *cpe:2.3:a:lanproxy_project:lanproxy:0.1:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

92.69 }} 0.21%

score

0.99738

percentile