CVE-2019-12991
Citrix SD-WAN and NetScaler Command Injection Vuln - [Actively Exploited]
Description
Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 5 of 6).
INFO
Published Date :
July 16, 2019, 6:15 p.m.
Last Modified :
Aug. 24, 2020, 5:37 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.
Authenticated Command Injection in Citrix SD-WAN Appliance and NetScaler SD-WAN Appliance.
Apply updates per vendor instructions.
Public PoC/Exploit Available at Github
CVE-2019-12991 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2019-12991.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/153638/Citrix-SD-WAN-Appliance-10.2.2-Authentication-Bypass-Remote-Command-Execution.html | Exploit Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/109133 | Third Party Advisory VDB Entry |
| https://support.citrix.com/article/CTX251987 | Vendor Advisory |
| https://www.tenable.com/security/research/tra-2019-32 | Exploit 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).
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-2019-12991 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-12991 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 -
CWE Remap by [email protected]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-77 CWE-78 -
Initial Analysis by [email protected]
Jul. 17, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:S/C:C/I:C/A:C) Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://packetstormsecurity.com/files/153638/Citrix-SD-WAN-Appliance-10.2.2-Authentication-Bypass-Remote-Command-Execution.html No Types Assigned http://packetstormsecurity.com/files/153638/Citrix-SD-WAN-Appliance-10.2.2-Authentication-Bypass-Remote-Command-Execution.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type http://www.securityfocus.com/bid/109133 No Types Assigned http://www.securityfocus.com/bid/109133 Third Party Advisory, VDB Entry Changed Reference Type https://support.citrix.com/article/CTX251987 No Types Assigned https://support.citrix.com/article/CTX251987 Vendor Advisory Changed Reference Type https://www.tenable.com/security/research/tra-2019-32 No Types Assigned https://www.tenable.com/security/research/tra-2019-32 Exploit, Third Party Advisory Added CWE CWE-77 Added CPE Configuration OR *cpe:2.3:a:citrix:netscaler_sd-wan:*:*:*:*:*:*:*:* versions from (including) 10.0 up to (excluding) 10.0.8 *cpe:2.3:a:citrix:sd-wan:*:*:*:*:*:*:*:* versions from (including) 10.2 up to (excluding) 10.2.3
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-12991 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-2019-12991
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
32.54 }} 9.33%
score
0.97096
percentile