CVE-2020-16230
Ewon Flexy and Cosy Local Privilege Escalation CORS Injection
Description
All version of Ewon Flexy and Cosy prior to 14.1 use wildcards such as (*) under which domains can request resources. An attacker with local access and high privileges could inject scripts into the Cross-origin Resource Sharing (CORS) configuration that could abuse this vulnerability, allowing the attacker to retrieve limited confidential information through sniffing.
INFO
Published Date :
Sept. 18, 2020, 7:15 p.m.
Last Modified :
Nov. 22, 2021, 4:25 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
1.4
Exploitability Score :
0.8
Affected Products
The following products are affected by CVE-2020-16230
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-2020-16230.
| URL | Resource |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-20-254-03 | Third Party Advisory US Government Resource |
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-16230 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-16230 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]
Nov. 22, 2021
Action Type Old Value New Value Removed CWE NIST CWE-74 Added CWE NIST NVD-CWE-Other -
Modified Analysis by [email protected]
Mar. 26, 2021
Action Type Old Value New Value Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-20-254-03 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-20-254-03 Third Party Advisory, US Government Resource -
CVE Modified by [email protected]
Mar. 18, 2021
Action Type Old Value New Value Changed Description WebAccess/SCADA Versions 9.0 and prior are vulnerable to cross-site scripting, which may allow an attacker to send malicious JavaScript code to an unsuspecting user, which could result in hijacking of the user’s cookie/session tokens, redirecting the user to a malicious webpage and performing unintended browser actions. All version of Ewon Flexy and Cosy prior to 14.1 use wildcards such as (*) under which domains can request resources. An attacker with local access and high privileges could inject scripts into the Cross-origin Resource Sharing (CORS) configuration that could abuse this vulnerability, allowing the attacker to retrieve limited confidential information through sniffing. Removed Reference https://us-cert.cisa.gov/ics/advisories/icsa-21-075-01 [No Types Assigned] Added Reference https://us-cert.cisa.gov/ics/advisories/icsa-20-254-03 [No Types Assigned] Removed CWE ICS-CERT CWE-79 -
CVE Modified by [email protected]
Mar. 18, 2021
Action Type Old Value New Value Changed Description The WADashboard component of WebAccess/SCADA may allow an attacker to control or influence a path used in an operation on the filesystem and remotely execute code as an administrator. WebAccess/SCADA Versions 9.0 and prior are vulnerable to cross-site scripting, which may allow an attacker to send malicious JavaScript code to an unsuspecting user, which could result in hijacking of the user’s cookie/session tokens, redirecting the user to a malicious webpage and performing unintended browser actions. Removed Reference https://us-cert.cisa.gov/ics/advisories/icsa-20-289-01 [Third Party Advisory, US Government Resource] Added Reference https://us-cert.cisa.gov/ics/advisories/icsa-21-075-01 [No Types Assigned] Removed CWE ICS-CERT CWE-73 Added CWE ICS-CERT CWE-79 Removed CWE Reason CWE-73 / CWE from CNA not within 1003 View -
Modified Analysis by [email protected]
Jan. 30, 2021
Action Type Old Value New Value Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-20-289-01 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-20-289-01 Third Party Advisory, US Government Resource Changed CPE Configuration AND OR *cpe:2.3:o:ewon:flexy_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1 OR cpe:2.3:h:ewon:flexy:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:hms-networks:ewon_flexy_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1 OR cpe:2.3:h:hms-networks:ewon_flexy:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:ewon:cosy_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1 OR cpe:2.3:h:ewon:cosy:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:hms-networks:ewon_cosy_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1 OR cpe:2.3:h:hms-networks:ewon_cosy:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 23, 2020
Action Type Old Value New Value Changed Description All version of Ewon Flexy and Cosy prior to 14.1 use wildcards such as (*) under which domains can request resources. An attacker with local access and high privileges could inject scripts into the Cross-origin Resource Sharing (CORS) configuration that could abuse this vulnerability, allowing the attacker to retrieve limited confidential information through sniffing. The WADashboard component of WebAccess/SCADA may allow an attacker to control or influence a path used in an operation on the filesystem and remotely execute code as an administrator. Removed Reference https://us-cert.cisa.gov/ics/advisories/icsa-20-254-03 [Third Party Advisory, US Government Resource] Added Reference https://us-cert.cisa.gov/ics/advisories/icsa-20-289-01 [No Types Assigned] Added CWE ICS-CERT CWE-73 -
Initial Analysis by [email protected]
Oct. 01, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-20-254-03 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-20-254-03 Third Party Advisory, US Government Resource Added CWE NIST CWE-74 Added CPE Configuration AND OR *cpe:2.3:o:ewon:flexy_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1 OR cpe:2.3:h:ewon:flexy:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:ewon:cosy_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1 OR cpe:2.3:h:ewon:cosy:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-16230 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-2020-16230
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.00501
percentile