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Vulnerability record · CVE-2015-2841 · published 3 April 2015

CVE-2015-2841: Citrix netscaler improper access control vulnerability

Citrix · Netscaler

Citrix NetScaler AppFirewall, as used in NetScaler 10.5, allows remote attackers to bypass intended firewall restrictions via a crafted Content-Type header, as demonstrated by the application/octet-stream and text/xml Content-Types.

5.0 CVSS 2.0 Medium EPSS 5.5% · top 7.5% CWE-284 · Improper access control
5.0CVSS 2.0 base score
5.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Citrix NetScaler AppFirewall, as used in NetScaler 10.5, allows remote attackers to bypass intended firewall restrictions via a crafted Content-Type header, as demonstrated by the application/octet-stream and text/xml Content-Types.

AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://seclists.org/fulldisclosure/2015/Mar/95 Exploit
http://securitytracker.com/id/1031928
https://www.exploit-db.com/exploits/36369/
http://seclists.org/fulldisclosure/2015/Mar/95 Exploit
http://securitytracker.com/id/1031928
https://www.exploit-db.com/exploits/36369/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2016-2071Citrix netscaler permissions and access controls vulnerabilityCitrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway 11.x before 11.0 Build 64.34, 10.5 before 10.5 Build 59.13, and 10.5.e b…EPSS 3.4%8.8CVE-2018-6186Citrix netscaler server-side request forgery (ssrf) vulnerabilityCitrix NetScaler VPX through NS12.0 53.13.nc allows an SSRF attack via the /rapi/read_url URI by an authenticated attacker who has a webapp account. …EPSS 3.1%6.8CVE-2015-2838Citrix netscaler cross-site request forgery vulnerabilityCross-site request forgery (CSRF) vulnerability in Nitro API in Citrix NetScaler before 10.5 build 52.3nc allows remote attackers to hijack the authe…EPSS 2.9%6.1CVE-2016-2072Citrix netscaler vulnerabilityThe Administrative Web Interface in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway 11.x before 11.0 Build 64.34, 10.5 b…EPSS 1.1%5.0CVE-2007-6193Citrix netscaler information exposure vulnerabilityThe web management interface in Citrix NetScaler 8.0 build 47.8 stores the device's primary IP address in a cookie, which might allow remote attacker…EPSS 1.1%4.3CVE-2015-2840Citrix netscaler cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in help/rt/large_search.html in Citrix NetScaler before 10.5 build 52.3nc allows remote attackers to inject …EPSS 1.9%4.3CVE-2015-2839Citrix netscaler cross-site scripting vulnerabilityThe Nitro API in Citrix NetScaler before 10.5 build 52.3nc uses an incorrect Content-Type when returning an error message, which allows remote attack…EPSS 2.0%4.3CVE-2007-6192Citrix netscaler vulnerabilityThe web management interface in Citrix NetScaler 8.0 build 47.8 uses weak encryption (XOR of unpadded data) to store credentials within a cookie, whi…EPSS 0.70%

Source: NIST National Vulnerability Database (record CVE-2015-2841), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.