7.5
HIGH
CVE-2020-16139
Cisco Unified IP Conference Station 7937G Denial-of-Service
Description

A denial-of-service in Cisco Unified IP Conference Station 7937G 1-4-4-0 through 1-4-5-7 allows attackers restart the device remotely through sending specially crafted packets. Note: We cannot prove this vulnerability exists. Out of an abundance of caution, this CVE is being assigned to better serve our customers and ensure all who are still running this product understand that the product is end of life and should be removed or upgraded. For more information on this, and how to upgrade, refer to the CVE’s reference information

INFO

Published Date :

Aug. 12, 2020, 9:15 p.m.

Last Modified :

Aug. 4, 2024, 2:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-16139 has a 11 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-2020-16139 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.

ID Vendor Product Action
1 Cisco unified_ip_conference_station_7937g_firmware
2 Cisco unified_ip_conference_station_7937g
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-2020-16139.

URL Resource
http://packetstormsecurity.com/files/158819/Cisco-7937G-Denial-Of-Service.html Exploit Third Party Advisory VDB Entry
https://www.blacklanternsecurity.com/2020-08-07-Cisco-Unified-IP-Conference-Station-7937G/ Exploit Third Party Advisory
https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-ip-phone-7940g/end_of_life_notice_c51-729487.html 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).

APIT is a CLI tool designed for API black-box vulnerability fuzzing. It captures API traffic via browser proxy and conducts deep recognition and mutation of API parameters in a tree structure. Additionally, APIV incorporates various optimization strategies to enhance the precision and efficiency of API vulnerability testing.

Updated: 2 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : June 23, 2024, 5:23 a.m. This repo has been linked 105 different CVEs too.

APIF is a CLI tool designed for API black-box vulnerability testing. It captures API traffic via browser proxy and conducts deep recognition and mutation of API parameters in a tree structure. Additionally, APIV incorporates various optimization strategies to enhance the precision and efficiency of API vulnerability testing.

Updated: 5 months ago
0 stars 0 fork 0 watcher
Born at : April 15, 2024, 8:39 a.m. This repo has been linked 105 different CVEs too.

None

Updated: 5 months ago
0 stars 0 fork 0 watcher
Born at : April 15, 2024, 4:49 a.m. This repo has been linked 105 different CVEs too.

None

CSS HTML JavaScript

Updated: 7 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Feb. 2, 2024, 2:11 p.m. This repo has been linked 494 different CVEs too.

APIV is a CLI tool designed for API black-box vulnerability testing. It captures API traffic via browser proxy and conducts deep recognition and mutation of API parameters in a tree structure. Additionally, APIV incorporates various optimization strategies to enhance the precision and efficiency of API vulnerability testing.

Updated: 7 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 31, 2024, 9:57 a.m. This repo has been linked 105 different CVEs too.

Rapier is a CLI tool designed for API black-box vulnerability testing. It captures API traffic via browser proxy and conducts deep recognition and mutation of API parameters in a tree structure. Additionally, Rapier incorporates various optimization strategies to enhance the precision and efficiency of API vulnerability testing.

Updated: 2 months, 3 weeks ago
1 stars 0 fork 0 watcher
Born at : Jan. 10, 2024, 11:32 a.m. This repo has been linked 105 different CVEs too.

scalpel是一款命令行漏洞扫描工具,支持深度参数注入,拥有一个强大的数据解析和变异算法,可以将常见的数据格式(json, xml, form等)解析为树结构,然后根据poc中的规则,对树进行变异,包括对叶子节点和树结构 的变异。变异完成之后,将树结构还原为原始的数据格式。

cve exploits poc vulnerabilities vulnerability fuzzing scanner

Updated: 2 weeks, 3 days ago
730 stars 80 fork 80 watcher
Born at : Nov. 4, 2022, 3:19 a.m. This repo has been linked 99 different CVEs too.

None

Updated: 1 month, 1 week ago
0 stars 0 fork 0 watcher
Born at : July 6, 2022, 8:40 a.m. This repo has been linked 153 different CVEs too.

None

Python XSLT

Updated: 1 month ago
17 stars 5 fork 5 watcher
Born at : May 22, 2021, 4:29 p.m. This repo has been linked 349 different CVEs too.

essential templates for kenzer [DEPRECATED]

kenzer vulnerabilities kenzer-templates arpsyndicate

Python Shell Ruby

Updated: 1 month, 1 week ago
106 stars 32 fork 32 watcher
Born at : Sept. 18, 2020, 9:03 p.m. This repo has been linked 1653 different CVEs too.

This exploit is an all-in-one tool for Cisco 7937G

Python

Updated: 2 years, 2 months ago
1 stars 0 fork 0 watcher
Born at : Aug. 19, 2020, 5:24 a.m. This repo has been linked 3 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-16139 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-16139 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]

    Aug. 04, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jun. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 21, 2024

    Action Type Old Value New Value
    Added Tag MITRE unsupported-when-assigned
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description ** UNSUPPORTED WHEN ASSIGNED ** A denial-of-service in Cisco Unified IP Conference Station 7937G 1-4-4-0 through 1-4-5-7 allows attackers restart the device remotely through sending specially crafted packets. Note: We cannot prove this vulnerability exists. Out of an abundance of caution, this CVE is being assigned to better serve our customers and ensure all who are still running this product understand that the product is end of life and should be removed or upgraded. For more information on this, and how to upgrade, refer to the CVE’s reference information. A denial-of-service in Cisco Unified IP Conference Station 7937G 1-4-4-0 through 1-4-5-7 allows attackers restart the device remotely through sending specially crafted packets. Note: We cannot prove this vulnerability exists. Out of an abundance of caution, this CVE is being assigned to better serve our customers and ensure all who are still running this product understand that the product is end of life and should be removed or upgraded. For more information on this, and how to upgrade, refer to the CVE’s reference information
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-20 NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    Aug. 17, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://packetstormsecurity.com/files/158819/Cisco-7937G-Denial-Of-Service.html No Types Assigned http://packetstormsecurity.com/files/158819/Cisco-7937G-Denial-Of-Service.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.blacklanternsecurity.com/2020-08-07-Cisco-Unified-IP-Conference-Station-7937G/ No Types Assigned https://www.blacklanternsecurity.com/2020-08-07-Cisco-Unified-IP-Conference-Station-7937G/ Exploit, Third Party Advisory
    Changed Reference Type https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-ip-phone-7940g/end_of_life_notice_c51-729487.html No Types Assigned https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-ip-phone-7940g/end_of_life_notice_c51-729487.html Vendor Advisory
    Added CWE NIST CWE-20
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:unified_ip_conference_station_7937g_firmware:*:*:*:*:*:*:*:* versions from (including) 1.4.4.0 up to (including) 1.4.5.7 OR cpe:2.3:h:cisco:unified_ip_conference_station_7937g:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 14, 2020

    Action Type Old Value New Value
    Added Reference https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-ip-phone-7940g/end_of_life_notice_c51-729487.html [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-16139 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-2020-16139 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

7.28 }} -2.67%

score

0.94180

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability