CVE-2024-20257: cisco asyncos Cross-site Scripting
Vulnerability summary
CVE-2024-20257 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in cisco asyncos. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.2% of scored vulnerabilities.
Timeline
- 15-05-2024PublishedVulnerability first disclosed.
- 01-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco2 products
- asyncos11.0.3-238 | 11.1.0-069 | 11.1.0-128 | 11.1.0-131 | 12.0.0-419 | 12.1.0-071 | 12.1.0-087 | 12.1.0-089 | 12.5.0-066 | 12.5.3-041 | 12.5.4-041 | 13.0.0-392 | 13.0.5-007 | 13.5.1-277 | 13.5.4-038 | 14.0.0-698 | 14.2.0-620 | 14.2.1-020 | 14.3.0-032 | 15.0.0-104 | 15.0.1-030 | 15.5.0-048
- cisco secure email11.0.3-238 | 11.1.0-069 | 11.1.0-131 | 11.1.0-128 | 12.0.0-419 | 12.1.0-071 | 12.1.0-087 | 12.1.0-089 | 13.0.0-392 | 13.0.5-007 | 13.5.1-277 | 13.5.4-038 | 12.5.0-066 | 12.5.4-041 | 12.5.3-041 | 14.0.0-698 | 14.2.0-620 | 14.2.1-020 | 14.3.0-032 | 15.0.0-104 | 15.0.1-030 | 15.5.0-048
1 vendor · 2 products
References
1 links- sec.cloudapps.cisco.com/security/…Vendor Advisory