CVE-2024-20382

MEDIUMCVSS 6.1/10EPSS 0.38%

Last modified

CVE-2024-20382 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability in the VPN web client services feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a browser that is accessing an affected device. This vulnerability is due to improper validation of user-supplied input to application endpoints. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

A vulnerability in the VPN web client services feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a browser that is accessing an affected device. This vulnerability is due to improper validation of user-supplied input to application endpoints. An attacker could exploit this vulnerability by persuading a user to follow a link designed to submit malicious input to the affected application. A successful exploit could allow the attacker to execute arbitrary HTML or script code in the browser in the context of the web services page.

Metrics

CVSS 3.1
6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.38%

29.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoAdaptive Security Appliance Software9.8.1
CiscoAdaptive Security Appliance Software9.8.1.5
CiscoAdaptive Security Appliance Software9.8.1.7
CiscoAdaptive Security Appliance Software9.8.2
CiscoAdaptive Security Appliance Software9.8.2.8
CiscoAdaptive Security Appliance Software9.8.2.14
CiscoAdaptive Security Appliance Software9.8.2.15
CiscoAdaptive Security Appliance Software9.8.2.17
CiscoAdaptive Security Appliance Software9.8.2.20
CiscoAdaptive Security Appliance Software9.8.2.24
CiscoAdaptive Security Appliance Software9.8.2.26
CiscoAdaptive Security Appliance Software9.8.2.28
CiscoAdaptive Security Appliance Software9.8.2.33
CiscoAdaptive Security Appliance Software9.8.2.35
CiscoAdaptive Security Appliance Software9.8.2.38
CiscoAdaptive Security Appliance Software9.8.2.45
CiscoAdaptive Security Appliance Software9.8.3
CiscoAdaptive Security Appliance Software9.8.3.8
CiscoAdaptive Security Appliance Software9.8.3.11
CiscoAdaptive Security Appliance Software9.8.3.14
CiscoAdaptive Security Appliance Software9.8.3.16
CiscoAdaptive Security Appliance Software9.8.3.18
CiscoAdaptive Security Appliance Software9.8.3.21
CiscoAdaptive Security Appliance Software9.8.3.26
CiscoAdaptive Security Appliance Software9.8.3.29
CiscoAdaptive Security Appliance Software9.8.4
CiscoAdaptive Security Appliance Software9.8.4.3
CiscoAdaptive Security Appliance Software9.8.4.7
CiscoAdaptive Security Appliance Software9.8.4.8
CiscoAdaptive Security Appliance Software9.8.4.10
CiscoAdaptive Security Appliance Software9.8.4.12
CiscoAdaptive Security Appliance Software9.8.4.15
CiscoAdaptive Security Appliance Software9.8.4.17
CiscoAdaptive Security Appliance Software9.8.4.20
CiscoAdaptive Security Appliance Software9.8.4.22
CiscoAdaptive Security Appliance Software9.8.4.25
CiscoAdaptive Security Appliance Software9.8.4.26
CiscoAdaptive Security Appliance Software9.8.4.29
CiscoAdaptive Security Appliance Software9.8.4.32
CiscoAdaptive Security Appliance Software9.8.4.33
CiscoAdaptive Security Appliance Software9.8.4.34
CiscoAdaptive Security Appliance Software9.8.4.35
CiscoAdaptive Security Appliance Software9.8.4.39
CiscoAdaptive Security Appliance Software9.8.4.40
CiscoAdaptive Security Appliance Software9.8.4.41
CiscoAdaptive Security Appliance Software9.8.4.43
CiscoAdaptive Security Appliance Software9.8.4.44
CiscoAdaptive Security Appliance Software9.8.4.45
CiscoAdaptive Security Appliance Software9.8.4.46
CiscoAdaptive Security Appliance Software9.8.4.48

Showing 50 of 291 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-20382?
A vulnerability in the VPN web client services feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a browser that is accessing an affected device. This vulnerability is due to improper validation of user-supplied input to application endpoints. An attacker could exploit this vulnerability by persuading a user to follow a link designed to submit malicious input to the affected application. A successful exploit could allow the attacker to execute arbitrary HTML or script code in the browser in the context of the web services page.
How severe is CVE-2024-20382?
CVE-2024-20382 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2024-20382?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-20382?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST