CVE-2020-3161
Cisco IP Phones Web Server Remote Code Execution a - [Actively Exploited]
Description
A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web server of a targeted device. A successful exploit could allow the attacker to remotely execute code with root privileges or cause a reload of an affected IP phone, resulting in a DoS condition.
INFO
Published Date :
April 15, 2020, 8:15 p.m.
Last Modified :
Aug. 12, 2021, 6:19 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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.
Cisco IP Phones contain an improper input validation vulnerability for HTTP requests. Exploitation could allow an attacker to execute code remotely with�root�privileges or cause a denial-of-service (DoS) condition.
Apply updates per vendor instructions.
Public PoC/Exploit Available at Github
CVE-2020-3161 has a 5 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-2020-3161
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-2020-3161
.
URL | Resource |
---|---|
http://packetstormsecurity.com/files/157265/Cisco-IP-Phone-11.7-Denial-Of-Service.html | Exploit Third Party Advisory VDB Entry |
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voip-phones-rce-dos-rB6EeRXs | Vendor 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).
None
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
None
None
Cisco IP Phone 11.7 - Denial of Service (PoC)
Lua
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-3161
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-3161
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 -
Reanalysis by [email protected]
Aug. 12, 2021
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 28, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://packetstormsecurity.com/files/157265/Cisco-IP-Phone-11.7-Denial-Of-Service.html No Types Assigned http://packetstormsecurity.com/files/157265/Cisco-IP-Phone-11.7-Denial-Of-Service.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voip-phones-rce-dos-rB6EeRXs No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voip-phones-rce-dos-rB6EeRXs Vendor Advisory Added CWE NIST CWE-20 Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8865_firmware:10.3\(1\)es14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8865_firmware:11.0\(1\):*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8865_firmware:11.0\(5\)sr1:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ip_phone_8865:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8851_firmware:10.3\(1\)es14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8851_firmware:11.0\(1\):*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8851_firmware:11.0\(5\)sr1:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ip_phone_8851:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_7841_firmware:11.0\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ip_phone_7841:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_7821_firmware:11.0\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ip_phone_7821:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8811_firmware:10.3\(1\)es14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8811_firmware:11.0\(1\):*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8811_firmware:11.0\(5\)sr1:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ip_phone_8811:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8861_firmware:10.3\(1\)es14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8861_firmware:11.0\(1\):*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8861_firmware:11.0\(5\)sr1:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ip_phone_8861:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8845_firmware:10.3\(1\)es14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8845_firmware:11.0\(1\):*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8845_firmware:11.0\(5\)sr1:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ip_phone_8845:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_7861_firmware:11.0\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ip_phone_7861:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8841_firmware:10.3\(1\)es14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8841_firmware:11.0\(1\):*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8841_firmware:11.0\(5\)sr1:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ip_phone_8841:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_7811_firmware:11.0\(1\):*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ip_phone_7811:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8821_firmware:10.3\(1\)es14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(1\):*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(5\)sr1:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ip_phone_8821:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8821-ex_firmware:10.3\(1\)es14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8821-ex_firmware:11.0\(1\):*:*:*:*:*:*:* *cpe:2.3:o:cisco:ip_phone_8821-ex_firmware:11.0\(5\)sr1:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:ip_phone_8821-ex:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:8831_firmware:10.3\(1\)es14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:8831_firmware:11.0\(1\):*:*:*:*:*:*:* *cpe:2.3:o:cisco:8831_firmware:11.0\(5\)sr1:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:8831:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 17, 2020
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/157265/Cisco-IP-Phone-11.7-Denial-Of-Service.html [No Types Assigned] -
CVE Modified by [email protected]
Apr. 15, 2020
Action Type Old Value New Value Changed Description A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web server of a targeted device. A successful exploit could allow the attacker to remotely execute code with root privileges or cause a reload of an affected IP phone, resulting in a DoS condition. A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web server of a targeted device. A successful exploit could allow the attacker to remotely execute code with root privileges or cause a reload of an affected IP phone, resulting in a DoS condition.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-3161
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-2020-3161
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
3.78 }} 0.77%
score
0.92097
percentile