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TwcertCVE-2020-3929

HistoryJun 12, 2020 - 9:15 a.m.

CVE-2020-3929

2020-06-1209:15:10

CWE-326

twcert

web.nvd.nist.gov

geovision

door access control

cve-2020-3929

cryptographic

ssh

https

mitm

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

47.9%

JSON

GeoVision Door Access Control device family employs shared cryptographic private keys for SSH and HTTPS. Attackers may conduct MITM attack with the derived keys and plaintext recover of encrypted messages.

Affected configurations

Nvd

Node

usavisionsysgeovision_gv-as210_firmwareRange<2.21

AND

usavisionsysgeovision_gv-as210Match-

Node

usavisionsysgeovision_gv-as410_firmwareRange<2.21

AND

usavisionsysgeovision_gv-as410Match-

Node

usavisionsysgeovision_gv-as810_firmwareRange<2.21

AND

usavisionsysgeovision_gv-as810Match-

Node

usavisionsysgeovision_gv-as1010_firmwareRange<1.32

AND

usavisionsysgeovision_gv-as1010Match-

Node

usavisionsysgeovision_gv-gf192x_firmwareRange<1.10

AND

usavisionsysgeovision_gv-gf192xMatch-

VendorProductVersionCPE
usavisionsysgeovision_gv-as210_firmware*cpe:2.3:o:usavisionsys:geovision_gv-as210_firmware:*:*:*:*:*:*:*:*
usavisionsysgeovision_gv-as210-cpe:2.3:h:usavisionsys:geovision_gv-as210:-:*:*:*:*:*:*:*
usavisionsysgeovision_gv-as410_firmware*cpe:2.3:o:usavisionsys:geovision_gv-as410_firmware:*:*:*:*:*:*:*:*
usavisionsysgeovision_gv-as410-cpe:2.3:h:usavisionsys:geovision_gv-as410:-:*:*:*:*:*:*:*
usavisionsysgeovision_gv-as810_firmware*cpe:2.3:o:usavisionsys:geovision_gv-as810_firmware:*:*:*:*:*:*:*:*
usavisionsysgeovision_gv-as810-cpe:2.3:h:usavisionsys:geovision_gv-as810:-:*:*:*:*:*:*:*
usavisionsysgeovision_gv-as1010_firmware*cpe:2.3:o:usavisionsys:geovision_gv-as1010_firmware:*:*:*:*:*:*:*:*
usavisionsysgeovision_gv-as1010-cpe:2.3:h:usavisionsys:geovision_gv-as1010:-:*:*:*:*:*:*:*
usavisionsysgeovision_gv-gf192x_firmware*cpe:2.3:o:usavisionsys:geovision_gv-gf192x_firmware:*:*:*:*:*:*:*:*
usavisionsysgeovision_gv-gf192x-cpe:2.3:h:usavisionsys:geovision_gv-gf192x:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
usavisionsys	geovision_gv-as210_firmware	*	cpe:2.3:o:usavisionsys:geovision_gv-as210_firmware::::::::
usavisionsys	geovision_gv-as210	-	cpe:2.3:h:usavisionsys:geovision_gv-as210:-:::::::*
usavisionsys	geovision_gv-as410_firmware	*	cpe:2.3:o:usavisionsys:geovision_gv-as410_firmware::::::::
usavisionsys	geovision_gv-as410	-	cpe:2.3:h:usavisionsys:geovision_gv-as410:-:::::::*
usavisionsys	geovision_gv-as810_firmware	*	cpe:2.3:o:usavisionsys:geovision_gv-as810_firmware::::::::
usavisionsys	geovision_gv-as810	-	cpe:2.3:h:usavisionsys:geovision_gv-as810:-:::::::*
usavisionsys	geovision_gv-as1010_firmware	*	cpe:2.3:o:usavisionsys:geovision_gv-as1010_firmware::::::::
usavisionsys	geovision_gv-as1010	-	cpe:2.3:h:usavisionsys:geovision_gv-as1010:-:::::::*
usavisionsys	geovision_gv-gf192x_firmware	*	cpe:2.3:o:usavisionsys:geovision_gv-gf192x_firmware::::::::
usavisionsys	geovision_gv-gf192x	-	cpe:2.3:h:usavisionsys:geovision_gv-gf192x:-:::::::*

CNA Affected

[
  {
    "product": "Door Access Control Device",
    "vendor": "GeoVision",
    "versions": [
      {
        "lessThanOrEqual": "2.21",
        "status": "affected",
        "version": "GV-AS210",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "2.21",
        "status": "affected",
        "version": "GV-AS410",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "2.21",
        "status": "affected",
        "version": "GV-AS810",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.10",
        "status": "affected",
        "version": "GV-GF192x",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.32",
        "status": "affected",
        "version": "GV-AS1010",
        "versionType": "custom"
      }
    ]
  }
]

References

www.twcert.org.tw/tw/cp-132-3696-6601c-1.html

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

47.9%

JSON

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