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Medium severity · published Dec 22, 2021
CVE-2021-21878
A local file inclusion vulnerability exists in the Web Manager Applications and FsBrowse functionality of Lantronix PremierWave 2050 8.9.0.0R4
4.9
CVSS
1.2%
EPSS
No
On KEV
Description
A local file inclusion vulnerability exists in the Web Manager Applications and FsBrowse functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted series of HTTP requests can lead to local file inclusion. An attacker can make a series of authenticated HTTP requests to trigger this vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
P2
Premierwave 2050 Firmware · Lantronix
8.9.0.0 · source: NVD
Affected product
P2
Premierwave 2050 Firmware
Lantronix
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-21878
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-21878
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1322
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