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CVE-2021-20864
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
Improper access control vulnerability in ELECOM routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior) allows a network-adjacent unauthenticated attacker to bypass access restriction, and to start the telnet service and execute an arbitrary OS command via unspecified vectors..
CVSSv2.0 Score
- Severity
- High
- Base Score
- 8.3/10
- Exploit Score
- 6.5/10
- Access Vector
- Adjacent_network
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 10/10
- Confidentiality Impact
- Complete
- Availability Impact
- Complete
- Integrity Impact
- Complete
CVSSv3.1 Score
- Severity
- High
- Base Score
- 8.8/10
- Exploit Score
- 2.8/10
- Access Vector
- Adjacent_network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 5.9/10
- Confidentiality Impact
- High
- Availability Impact
- High
- Integrity Impact
- High
- Scope
- Unchanged
- User Interaction
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:elecom:wrc-1167gst2_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-1167gst2:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:wrc-1167gst2a_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-1167gst2a:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:wrc-1167gst2h_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-1167gst2h:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:wrc-2533gs2-b_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-2533gs2-b:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:wrc-2533gs2-w_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-2533gs2-w:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:wrc-1750gs_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-1750gs:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:wrc-1750gsv_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-1750gsv:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:wrc-1900gst_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-1900gst:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:wrc-2533gst_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-2533gst:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:wrc-2533gst2_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-2533gst2:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:wrc-2533gsta_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-2533gsta:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:wrc-2533gst2sp_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-2533gst2sp:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:wrc-2533gst2-g_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:wrc-2533gst2-g:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:elecom:edwrc-2533gst2_firmware:*:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:elecom:edwrc-2533gst2:-:*:*:*:*:*:*:* |
No
|
- |