CVE-2021-3019
ffay lanproxy 0.1 allows Directory Traversal to read /../conf/config.properties to obtain...
CVE-2021-3019 is a high vulnerability (CVSS 7.5) in Lanproxy Project Lanproxy, published January 5, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 16.8%, the 97th percentile. No source names a fixed version.
ffay lanproxy 0.1 allows Directory Traversal to read /../conf/config.properties to obtain credentials for a connection to the intranet.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
7.5
ffay lanproxy 0.1 allows Directory Traversal to read /../conf/config.properties to obtain credentials for a connection to the intranet.
- Record
CVE-2021-3019- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
ffay lanproxy 0.1 allows Directory Traversal to read /../conf/config.properties to obtain credentials for a connection to the intranet.
- Record
CVE-2021-3019- Updated
- 2026-11-02
EUVDEUVD-2021-26372 No score
ffay lanproxy 0.1 allows Directory Traversal to read /../conf/config.properties to obtain credentials for a connection to the intranet.
- Record
EUVD-2021-26372- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mm25-gp82-85xp No score
ffay lanproxy 0.1 allows Directory Traversal to read /../conf/config.properties to obtain...
ffay lanproxy 0.1 allows Directory Traversal to read /../conf/config.properties to obtain credentials for a connection to the intranet.
- Record
GHSA-mm25-gp82-85xp- Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
7.5
ffay lanproxy 0.1 allows Directory Traversal to read /../conf/config.properties to obtain credentials for a connection to the intranet.
- Record
CVE-2021-3019- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | ffay lanproxy Directory Traversal | |
| PoC in GitHub | 0xf4n9x/CVE-2021-3019 | 2021-01-11 |
| PoC in GitHub | B1anda0/CVE-2021-3019 | 2021-01-09 |
| PoC in GitHub | Maksim-venus/CVE-2021-3019 | 2021-01-14 |
| PoC in GitHub | a1665454764/CVE-2021-3019 | 2023-08-30 |
| PoC in GitHub | givemefivw/CVE-2021-3019 | 2021-04-14 |
| PoC in GitHub | murataydemir/CVE-2021-3019 | 2021-03-11 |
| PoC in GitHub | qiezi-maozi/CVE-2021-3019-Lanproxy | 2021-09-03 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, Nuclei, NVD, OSV, PoC in GitHub |