4.8

CVE-2024-20257: cisco asyncos Cross-site Scripting

CVSS: 4.8v3.1MediumAnalyzed
Published 15-05-2024Last modified 01-08-2024

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.

Overall risk
19/100
0100
Low · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-05-2024
    PublishedVulnerability first disclosed.
  2. 01-08-2024
    Last 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

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

20-09-202620-10-2026
EPSS score
0.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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