RCE in Lantronix Premierwave 2050
CVE-2021-21881
An OS command injection vulnerability exists in the Web Manager Wireless Network Scanner functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.362 (98.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.362 · newest: 0.362 · change: 0.000
Affected products
- Lantronix Premierwave 2050
- Lantronix Premierwave 2050 Firmware — versions 8.9.0.0
- Lantronix — versions Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talosintelligence.com/vulnerability_reports/TALOS-2021-1325 (Technical Description, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21881?
- CVE-2021-21881 is a critical-severity vulnerability in Lantronix Premierwave 2050, classified under OS Command Injection. CVSS score: 9.9/10. Published 2021-12-22.
- How severe is CVE-2021-21881?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2021-21881 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.