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CVE-2021-1370
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
A vulnerability in a CLI command of Cisco IOS XR Software for the Cisco 8000 Series Routers and Network Convergence System 540 Series Routers running NCS540L software images could allow an authenticated, local attacker to elevate their privilege to root. To exploit this vulnerability, an attacker would need to have a valid account on an affected device. The vulnerability is due to insufficient validation of command line arguments. An attacker could exploit this vulnerability by authenticating to the device and entering a crafted command at the prompt. A successful exploit could allow an attacker with low-level privileges to escalate their privilege level to root..
CVSSv2.0 Score
- Severity
- High
- Base Score
- 7.2/10
- Exploit Score
- 3.9/10
- Access Vector
- Local
- 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
- 7.8/10
- Exploit Score
- 1.8/10
- Access Vector
- Local
- Access Complexity
- Low
- Privileges Required
- Low
- 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:cisco:ios_xr:*:*:*:*:*:*:*:* |
Yes
|
- | 7.0.12 | |
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:* |
Yes
|
7.1.0 | 7.2.1 | |
cpe:2.3:h:cisco:8201:-:*:*:*:*:*:*:* |
No
|
- | ||
cpe:2.3:h:cisco:8202:-:*:*:*:*:*:*:* |
No
|
- | ||
cpe:2.3:h:cisco:8808:-:*:*:*:*:*:*:* |
No
|
- | ||
cpe:2.3:h:cisco:8812:-:*:*:*:*:*:*:* |
No
|
- | ||
cpe:2.3:h:cisco:8818:-:*:*:*:*:*:*:* |
No
|
- | ||
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:* |
Yes
|
- | 7.2.1 | |
cpe:2.3:h:cisco:ncs_540:-:*:*:*:*:*:*:* |
No
|
- |