Asyncos
CVE-2024-20257
MEDIUM
Severity by source
AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Primary rating from Vendor (cisco) · only source for this CVE.
CVSS VectorVendor: cisco
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
1DescriptionCVE.org
A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an authenticated, remote attacker to conduct an XSS attack against a user of the interface.r 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.
AnalysisAI
A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an authenticated, remote attacker to conduct an XSS attack against a user of. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an authenticated, remote attacker to conduct an XSS attack against a user of the interface.r 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. Affected products include: Cisco Asyncos.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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