CVE-2021-20590
CVSS V2 Medium 4.3
CVSS V3 High 7.5
Description
Improper authentication vulnerability in GOT2000 series GT27 model VNC server versions 01.39.010 and prior, GOT2000 series GT25 model VNC server versions 01.39.010 and prior, GOT2000 series GT21 model GT2107-WTBD VNC server versions 01.40.000 and prior, GOT2000 series GT21 model GT2107-WTSD VNC server versions 01.40.000 and prior, GOT SIMPLE series GS21 model GS2110-WTBD-N VNC server versions 01.40.000 and prior and GOT SIMPLE series GS21 model GS2107-WTBD-N VNC server versions 01.40.000 and prior allows a remote unauthenticated attacker to gain unauthorized access via specially crafted packets when the "VNC server" function is used.
Overview
- CVE ID
- CVE-2021-20590
- Assigner
- vultures@jpcert.or.jp
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-22T19:15:07
- Last Modified Date
- 2022-05-12T20:15:46
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:mitsubishielectric:got2000_gt27_firmware:*:*:*:*:*:*:*:* | 1 | OR | 01.39.010 | |
| cpe:2.3:h:mitsubishielectric:got2000_gt27:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:mitsubishielectric:got2000_gt25_firmware:*:*:*:*:*:*:*:* | 1 | OR | 01.39.010 | |
| cpe:2.3:h:mitsubishielectric:got2000_gt25:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:mitsubishielectric:gt2107-wtbd_firmware:*:*:*:*:*:*:*:* | 1 | OR | 01.40.000 | |
| cpe:2.3:h:mitsubishielectric:gt2107-wtbd:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:mitsubishielectric:gt2107-wtsd_firmware:*:*:*:*:*:*:*:* | 1 | OR | 01.40.000 | |
| cpe:2.3:h:mitsubishielectric:gt2107-wtsd:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:mitsubishielectric:gs2110-wtbd-n_firmware:*:*:*:*:*:*:*:* | 1 | OR | 01.40.000 | |
| cpe:2.3:h:mitsubishielectric:gs2110-wtbd-n:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:mitsubishielectric:gs2107-wtbd-n_firmware:*:*:*:*:*:*:*:* | 1 | OR | 01.40.000 | |
| cpe:2.3:h:mitsubishielectric:gs2107-wtbd-n:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://jvn.jp/vu/JVNVU97615777/index.html | Third Party Advisory |
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-001_en.pdf | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20590 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20590 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:58:46 | Added to TrackCVE | |||
| 2022-12-06 02:17:01 | 2021-04-22T19:15Z | 2021-04-22T19:15:07 | CVE Published Date | updated |
| 2022-12-06 02:17:01 | 2022-05-12T20:15:46 | CVE Modified Date | updated | |
| 2022-12-06 02:17:01 | Analyzed | Vulnerability Status | updated |