CVE-2021-31521: trend micro trend micro interscan web security virtual appliance Cross-site Scripting
CVSS: 5.4v3.1MediumModified
Published 17-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-31521 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in trend micro trend micro interscan web security virtual appliance. EPSS estimates a 1.40% chance of exploitation in the next 30 days, higher than 72% of scored vulnerabilities.
CVSS score
5.4/10
010
Medium · v3.1 (NVD)EPSS score
1.40%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 17-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Trend Micro InterScan Web Security Virtual Appliance version 6.5 was found to have a reflected cross-site scripting (XSS) vulnerability in the product's Captive Portal.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.4Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.40%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
0.00 pp
From 1.40% on 20-09-2026
20-09-202620-10-2026
EPSS score1.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Trend micro1 product
Trendmicro1 product
2 vendors · 2 products