#VU27036 Cross-site scripting in Pulse Connect Secure and Pulse Policy Secure


Published: 2020-04-20

Vulnerability identifier: #VU27036

Vulnerability risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11543

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Pulse Connect Secure
Server applications / Remote access servers, VPN
Pulse Policy Secure
Server applications / Remote access servers, VPN

Vendor: Pulse Secure

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Pulse Connect Secure: 8.1R1.0 - 9.0R3.2

Pulse Policy Secure: 5.2R1.0 - 9.0R3.1


External links
http://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101
http://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101/
http://www.kb.cert.org/vuls/id/927237


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability