Known Exploited Vulnerability
9.8
CRITICAL
CVE-2017-6316
Citrix Multiple Products Remote Code Execution Vul - [Actively Exploited]
Description

Citrix NetScaler SD-WAN devices through v9.1.2.26.561201 allow remote attackers to execute arbitrary shell commands as root via a CGISESSID cookie. On CloudBridge (the former name of NetScaler SD-WAN) devices, the cookie name was CAKEPHP rather than CGISESSID.

INFO

Published Date :

July 20, 2017, 4:29 a.m.

Last Modified :

July 16, 2024, 5:58 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
CISA Notification
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.

Description :

A vulnerability has been identified in the management interface of Citrix NetScaler SD-WAN Enterprise and Standard Edition and Citrix CloudBridge Virtual WAN Edition that could result in an unauthenticated, remote attacker being able to execute arbitrary code as a root user. This vulnerability also affects XenMobile Server.

Required Action :

Apply updates per vendor instructions.

Public PoC/Exploit Available at Github

CVE-2017-6316 has a 1 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-2017-6316 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 Citrix netscaler_sd-wan
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-2017-6316.

URL Resource
http://www.securityfocus.com/bid/99943 Broken Link Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039019 Broken Link Third Party Advisory VDB Entry
https://support.citrix.com/article/CTX225990 Broken Link
https://www.exploit-db.com/exploits/42345/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/42346/ Third Party Advisory VDB Entry

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

Updated: 2 months, 2 weeks ago
516 stars 32 fork 32 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1181 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-2017-6316 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-6316 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.

  • Modified Analysis by [email protected]

    Jul. 16, 2024

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    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://www.securityfocus.com/bid/99943 No Types Assigned http://www.securityfocus.com/bid/99943 Broken Link, Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securitytracker.com/id/1039019 No Types Assigned http://www.securitytracker.com/id/1039019 Broken Link, Third Party Advisory, VDB Entry
    Changed Reference Type https://support.citrix.com/article/CTX225990 No Types Assigned https://support.citrix.com/article/CTX225990 Broken Link
    Removed CWE NIST CWE-20
    Added CWE NIST NVD-CWE-noinfo
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Sep. 16, 2017

    Action Type Old Value New Value
    Added Reference https://support.citrix.com/article/CTX225990 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 30, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1039019 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 27, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/99943 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 26, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.exploit-db.com/exploits/42345/ No Types Assigned https://www.exploit-db.com/exploits/42345/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/42346/ No Types Assigned https://www.exploit-db.com/exploits/42346/ Third Party Advisory, VDB Entry
    Added CWE CWE-20
    Added CPE Configuration OR *cpe:2.3:a:citrix:netscaler_sd-wan:9.1.2.26.561201:*:*:*:*:*:*:* (and previous)
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-2017-6316 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-2017-6316 weaknesses.

Exploit Prediction

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

96.79 }} 0.09%

score

0.99725

percentile

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