CVE-2021-45043Hd-Network Real-Time Monitoring System Path Traversal
HD-Network Real-time Monitoring System 2.0 allows ../ directory traversal to read /etc/shadow via the /language/lang s_Language parameter.
Published Dec 15, 2021 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2021-45043 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Hd-Network Real-Time Monitoring System (Hd-Network Real-Time Monitoring System Project).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 33% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
33%
Higher than 98.3% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
34/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
2
Reports of active use
Description
HD-Network Real-time Monitoring System 2.0 allows ../ directory traversal to read /etc/shadow via the /language/lang s_Language parameter.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Hd-Network Real-Time Monitoring SystemHd-Network Real-Time Monitoring System Project | 2.0 | n/a |
Timeline
Publicly disclosed
Dec 15, 2021
Last updated
Nov 21, 2024
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
FAQ
Common Questions.
HD-Network Real-time Monitoring System 2.0 allows ../ directory traversal to read /etc/shadow via the /language/lang s_Language parameter.
Affected: Hd-Network Real-Time Monitoring System (Hd-Network Real-Time Monitoring System Project) versions 2.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2021-45043 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
Request A Demo