CVE-2021-3014: mikrotik routeros Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 04-01-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-3014 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in mikrotik routeros. EPSS estimates a 0.94% chance of exploitation in the next 30 days, higher than 60.3% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
0.94%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github, reference
Timeline
- 04-01-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
In MikroTik RouterOS through 2021-01-04, the hotspot login page is vulnerable to reflected XSS via the target parameter.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.94%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
+0.01 pp
From 0.93% on 20-09-2026
20-09-202620-10-2026
EPSS score0.94%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundM4Dm0E.Github.Io
Maturity: poc
Exploit Reference (m4dm0e.github.io)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Mikrotik1 product
- routeros≤ 2021-01-04
1 vendor · 1 product
References
2 links- github.com/M4DM0e/m4dm0e.github.io/blob/gh-pages/_posts/2021-01-04-mikrotik-xss-reflected.mdX Refsource MISCExploitThird Party Advisory