This security advisory describes one low risk vulnerability.

1) Cross-site scripting

Risk: Low

CVSSv3:
5.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2020-3599

CWE-ID:
CWE-79 – Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’)

Exploit availability:
No

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 in the web-based management interface. 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

Cisco Adaptive Security Appliance (ASA) Software:
-, 9.6, 9.7, 9.8, 9.9, 9.10, 9.12, 9.13, 9.14

CPE

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-rxss-L54Htxp

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.



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