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JpcertCVE-2021-20783

HistoryJul 30, 2021 - 2:15 p.m.

CVE-2021-20783

2021-07-3014:15:14

CWE-352

jpcert

web.nvd.nist.gov

cve-2021-20783

cross-site request forgery

csrf

optical bb unit

e-wmta2.3

authentication hijacking

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.7

Confidence

High

EPSS

0.001

Percentile

37.8%

JSON

Cross-site request forgery (CSRF) vulnerability in Optical BB unit E-WMTA2.3 allows a remote attacker to hijack the authentication of administrators via a specially crafted page.

Affected configurations

Nvd

Node

softbankoptical_bb_unit_e-wmtaMatch-

AND

softbankoptical_bb_unit_e-wmta_firmwareMatch2.3

VendorProductVersionCPE
softbankoptical_bb_unit_e-wmta-cpe:2.3:h:softbank:optical_bb_unit_e-wmta:-:*:*:*:*:*:*:*
softbankoptical_bb_unit_e-wmta_firmware2.3cpe:2.3:o:softbank:optical_bb_unit_e-wmta_firmware:2.3:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
softbank	optical_bb_unit_e-wmta	-	cpe:2.3:h:softbank:optical_bb_unit_e-wmta:-:::::::*
softbank	optical_bb_unit_e-wmta_firmware	2.3	cpe:2.3:o:softbank:optical_bb_unit_e-wmta_firmware:2.3:::::::*

CNA Affected

[
  {
    "product": "Optical BB unit E-WMTA2.3",
    "vendor": "SoftBank",
    "versions": [
      {
        "status": "affected",
        "version": "all versions"
      }
    ]
  }
]

References

jvn.jp/en/jp/JVN34364599/index.html

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.7

Confidence

High

EPSS

0.001

Percentile

37.8%

JSON

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