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CVE-2024-20256

MEDIUMCVSS 4.8/10EPSS 0.29%

Last modified

CVE-2024-20256 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email and Web Manager and Secure Web Appliance could allow an authenticated, remote attacker to conduct an XSS attack against a user of the interface. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email and Web Manager and Secure Web Appliance could allow an authenticated, remote attacker to conduct an XSS attack against a user of the interface. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

Metrics

CVSS 3.1
4.8/10

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

EPSS Probability
0.29%

21.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoAsyncos11.7.0-406
CiscoAsyncos11.7.0-418
CiscoAsyncos11.7.1-006
CiscoAsyncos11.7.1-020
CiscoAsyncos11.7.1-049
CiscoAsyncos11.7.2-011
CiscoAsyncos11.8.0-414
CiscoAsyncos11.8.1-023
CiscoAsyncos11.8.3-018
CiscoAsyncos11.8.3-021
CiscoAsyncos12.0.1-268
CiscoAsyncos12.0.3-007
CiscoAsyncos12.5.1-011
CiscoAsyncos12.5.2-007
CiscoAsyncos12.5.4-005
CiscoAsyncos12.5.5-004
CiscoAsyncos12.5.6-008
CiscoAsyncos14.0.2-012
CiscoAsyncos14.0.3-014
CiscoAsyncos14.0.4-005
CiscoAsyncos14.5.0-498
CiscoAsyncos14.5.1-016
CiscoAsyncos15.0.0-322
CiscoSecure Email And Web Manager Virtual Appliance M100vAll versions
CiscoSecure Email And Web Manager Virtual Appliance M300vAll versions
CiscoSecure Email And Web Manager Virtual Appliance M600vAll versions
CiscoAsyncos9.0.0-087
CiscoAsyncos11.0.0-115
CiscoAsyncos11.0.1-161
CiscoAsyncos11.5.1-105
CiscoAsyncos12.0.0-452
CiscoAsyncos12.0.1-011
CiscoAsyncos12.5.0-636
CiscoAsyncos12.5.0-658
CiscoAsyncos12.5.0-670
CiscoAsyncos12.5.0-678
CiscoAsyncos12.8.1-002
CiscoAsyncos12.8.1-021
CiscoAsyncos13.0.0-277
CiscoAsyncos13.6.2-078
CiscoAsyncos13.8.1-068
CiscoAsyncos13.8.1-074
CiscoAsyncos13.8.1-108
CiscoAsyncos14.0.0-404
CiscoAsyncos14.1.0-223
CiscoAsyncos14.1.0-227
CiscoAsyncos14.2.0-212
CiscoAsyncos14.2.0-224
CiscoAsyncos14.2.1-020
CiscoAsyncos14.3.0-120

Showing 50 of 51 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-20256?
A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email and Web Manager and Secure Web Appliance could allow an authenticated, remote attacker to conduct an XSS attack against a user of the interface. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
How severe is CVE-2024-20256?
CVE-2024-20256 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2024-20256?
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-2024-20256?

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

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Source: NVD / NIST