CVE-2021-40272: op5 monitor Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 14-11-2022Last modified 30-04-2025
Vulnerability summary
CVE-2021-40272 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in op5 monitor. EPSS estimates a 1.13% chance of exploitation in the next 30 days, higher than 65.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)EPSS score
1.13%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 14-11-2022PublishedVulnerability first disclosed.
- 30-04-2025Last modifiedVulnerability information updated.
Description
OP5 Monitor 8.3.1, 8.3.2, and OP5 8.3.3 are vulnerable to Cross Site Scripting (XSS).
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
1.13%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
+0.04 pp
From 1.09% on 20-09-2026
20-09-202620-10-2026
EPSS score1.13%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploits
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Op51 product
- monitor≥ 8.3.0, ≤ 8.3.3
1 vendor · 1 product