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nvd[email protected]NVD:CVE-2021-21891
HistoryDec 22, 2021 - 7:15 p.m.

CVE-2021-21891

2021-12-2219:15:09
CWE-121
CWE-787
[email protected]
web.nvd.nist.gov
3
buffer overflow
lantronix premierwave
remote code execution
authenticated request

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS

0.001

Percentile

47.8%

JSON

A stack-based buffer overflow vulnerability exists in the Web Manager FsBrowseClean functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to remote code execution in the vulnerable portion of the branch (deletefile). An attacker can make an authenticated HTTP request to trigger this vulnerability.

Affected configurations

Nvd
Node
lantronixpremierwave_2050_firmwareMatch8.9.0.0r4
AND
lantronixpremierwave_2050Match-
VendorProductVersionCPE
lantronixpremierwave_2050_firmware8.9.0.0cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4:*:*:*:*:*:*
lantronixpremierwave_2050-cpe:2.3:h:lantronix:premierwave_2050:-:*:*:*:*:*:*:*

Related

cvelist 1
prion 1
cnvd 1
cve 1
talos 1
cvelist
cvelist
CVE-2021-21891
2021-12-22 18:06:40
prion
prion
Stack overflow
2021-12-22 19:15:00
cnvd
cnvd
Lantronix PremierWave 2050 Stack Buffer Overflow Vulnerability (CNVD-2022-01607)
2021-11-21 00:00:00
cve
cve
CVE-2021-21891
2021-12-22 19:15:09
talos
talos
Lantronix PremierWave 2050 Web Manager FsBrowseClean stack-based buffer overflow vulnerability
2021-11-15 00:00:00

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS

0.001

Percentile

47.8%

JSON
Related for NVD:CVE-2021-21891
cvelist1prion1cnvd1cve1talos1