Free and open-source vulnerability scanner
Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.
Install NowAvailable for macOS, Windows, and Linux
CVE-2021-0299
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
An Improper Handling of Exceptional Conditions vulnerability in the processing of a transit or directly received malformed IPv6 packet in Juniper Networks Junos OS results in a kernel crash, causing the device to restart, leading to a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue only affects systems with IPv6 configured. Devices with only IPv4 configured are not vulnerable to this issue. This issue affects Juniper Networks Junos OS: 19.4 versions prior to 19.4R3; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R1-S1, 20.2R2. This issue does not affect Juniper Networks Junos OS versions prior to 19.4R1..
CVSSv2.0 Score
- Severity
- High
- Base Score
- 7.1/10
- Exploit Score
- 8.6/10
- Access Vector
- Network
- Access Complexity
- Medium
- Authentication Required
- None
- Impact Score
- 6.9/10
- Confidentiality Impact
- None
- Availability Impact
- Complete
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- High
- Base Score
- 7.5/10
- Exploit Score
- 3.9/10
- Access Vector
- Network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 3.6/10
- Confidentiality Impact
- None
- Availability Impact
- High
- Integrity Impact
- None
- Scope
- Unchanged
- User Interaction
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.2:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1-s4:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r1-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2-s4:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r1-s4:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2-s5:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:-:*:*:*:*:*:* |
Yes
|
- | - |