CVE-2020-5735
Amcrest Cameras and NVR Stack-based Buffer Overflo - [Actively Exploited]
Description
Amcrest cameras and NVR are vulnerable to a stack-based buffer overflow over port 37777. An authenticated remote attacker can abuse this issue to crash the device and possibly execute arbitrary code.
INFO
Published Date :
April 8, 2020, 1:15 p.m.
Last Modified :
April 9, 2020, 7:52 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Amcrest cameras and NVR contain a stack-based buffer overflow vulnerability through port 37777 that allows an unauthenticated, remote attacker to crash the device and possibly execute code.
Apply updates per vendor instructions.
Public PoC/Exploit Available at Github
CVE-2020-5735 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2020-5735
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.
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-2020-5735.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/157164/Amcrest-Dahua-NVR-Camera-IP2M-841-Denial-Of-Service.html | Exploit Third Party Advisory VDB Entry |
| https://www.tenable.com/security/research/tra-2020-20 | Third Party Advisory |
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).
A super simple Cisa KEV lookup CLI tool leveraging DuckDB
Python
Набор скриптов для парсинга агрегаторов уязвимостей и выгрузки информации в YouTrack
Python
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-5735 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-5735 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 09, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://packetstormsecurity.com/files/157164/Amcrest-Dahua-NVR-Camera-IP2M-841-Denial-Of-Service.html No Types Assigned http://packetstormsecurity.com/files/157164/Amcrest-Dahua-NVR-Camera-IP2M-841-Denial-Of-Service.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type https://www.tenable.com/security/research/tra-2020-20 No Types Assigned https://www.tenable.com/security/research/tra-2020-20 Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration AND OR *cpe:2.3:o:amcrest:1080-lite_8ch_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amcrest:1080-lite_8ch:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:amdv10814-h5_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amcrest:amdv10814-h5:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ipm-721_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.420.ac00.18.r.20200217 OR cpe:2.3:h:amcrest:ipm-721:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip2m-841_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.420.ac00.18.r.20200217 OR cpe:2.3:h:amcrest:ip2m-841:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip2m-841-v3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.800.0000000.6.r.200314 OR cpe:2.3:h:amcrest:ip2m-841-v3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip2m-853ew_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.623.00ac004.0.r.200316 OR cpe:2.3:h:amcrest:ip2m-853ew:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip2m-858w_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.623.00ac004.0.r.200316 OR cpe:2.3:h:amcrest:ip2m-858w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip2m-866w_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.623.00ac004.0.r.200316 OR cpe:2.3:h:amcrest:ip2m-866w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip2m-866ew_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.623.00ac004.0.r.200316 OR cpe:2.3:h:amcrest:ip2m-866ew:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip4m-1053ew_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.623.00ac004.0.r.200316 OR cpe:2.3:h:amcrest:ip4m-1053ew:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip8m-2454ew_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.622.00ac000.0.r.200320 OR cpe:2.3:h:amcrest:ip8m-2454ew:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip8m-2493eb_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.622.00ac000.0.r.200320 OR cpe:2.3:h:amcrest:ip8m-2493eb:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip8m-2496eb_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.622.00ac000.0.r.200320 OR cpe:2.3:h:amcrest:ip8m-2496eb:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip8m-2597e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.800.00ac000.0.r.200330 OR cpe:2.3:h:amcrest:ip8m-2597e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip8m-mb2546ew_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.622.00ac000.0.r.200320 OR cpe:2.3:h:amcrest:ip8m-mb2546ew:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip8m-mt2544ew_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.622.00ac000.0.r.200320 OR cpe:2.3:h:amcrest:ip8m-mt2544ew:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ip8m-t2499ew_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.622.00ac000.0.r.200320 OR cpe:2.3:h:amcrest:ip8m-t2499ew:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amcrest:ipm-hx1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) v2.420.ac00.18.r.20200217 OR cpe:2.3:h:amcrest:ipm-hx1:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 08, 2020
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/157164/Amcrest-Dahua-NVR-Camera-IP2M-841-Denial-Of-Service.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-5735 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-2020-5735
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.27 }} 0.34%
score
0.88413
percentile