CVE-2021-4161: moxa mgate_mb3180_firmware
CVSS: 9.8v3.1CriticalModified
Published 27-12-2021Last modified 16-09-2024
Vulnerability summary
CVE-2021-4161 is a critical (CVSS 9.8) vulnerability in moxa mgate_mb3180_firmware. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.6% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.70%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-12-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
The affected products contain vulnerable firmware, which could allow an attacker to sniff the traffic and decrypt login credential details. This could give an attacker admin rights through the HTTP web server.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources2 sources · 7.5–9.8
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NDiffers
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
+0.04 pp
From 0.66% on 21-09-2026
21-09-202621-10-2026
EPSS score0.70%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Moxa6 products
- mgate_mb3180_firmware≤ 2.2
- mgate mb3180 series≥ all, < 2.2
- mgate_mb3280_firmware≤ 4.1
- mgate mb3280 seriesall 4.1
- mgate_mb3480_firmware≤ 3.2
1 vendor · 6 products
References
1 links- www.cisa.gov/uscert/ics/advisories/icsa-21-357-01X Refsource MISCThird Party AdvisoryUS Government Resource