Lucene search

TalosCVE-2021-21892

HistoryDec 22, 2021 - 7:15 p.m.

CVE-2021-21892

2021-12-2219:15:09

CWE-787

CWE-121

talos

web.nvd.nist.gov

cve-2021-21892

buffer overflow

remote code execution

lantronix premierwave 2050

qemu

nvd

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

9.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.7

Confidence

High

EPSS

0.002

Percentile

53.4%

JSON

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

Affected configurations

Nvd

Vulners

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:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
lantronix	premierwave_2050_firmware	8.9.0.0	cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4::::::
lantronix	premierwave_2050	-	cpe:2.3:h:lantronix:premierwave_2050:-:::::::*

CNA Affected

[
  {
    "product": "Lantronix",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)"
      }
    ]
  }
]

References

talosintelligence.com/vulnerability_reports/TALOS-2021-1335

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

9.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.7

Confidence

High

EPSS

0.002

Percentile

53.4%

JSON

Related for CVE-2021-21892