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CVE-2021-1236
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
Multiple Cisco products are affected by a vulnerability in the Snort application detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. The vulnerability is due to a flaw in the detection algorithm. An attacker could exploit this vulnerability by sending crafted packets that would flow through an affected system. A successful exploit could allow the attacker to bypass the configured policies and deliver a malicious payload to the protected network..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 5/10
- Exploit Score
- 10/10
- Access Vector
- Network
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 2.9/10
- Confidentiality Impact
- None
- Availability Impact
- None
- Integrity Impact
- Partial
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 5.3/10
- Exploit Score
- 3.9/10
- Access Vector
- Network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 1.4/10
- Confidentiality Impact
- None
- Availability Impact
- None
- Integrity Impact
- Low
- Scope
- Unchanged
- User Interaction
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* |
Yes
|
- | 17.4.1 | |
| cpe:2.3:h:cisco:1100-4p_integrated_services_router:-:*:*:*:* |
No
|
- | ||
| cpe:2.3:h:cisco:1100-8p_integrated_services_router:-:*:*:*:* |
No
|
- | ||
| cpe:2.3:h:cisco:1101-4p_integrated_services_router:-:*:*:*:* |
No
|
- | ||
| cpe:2.3:h:cisco:1109-2p_integrated_services_router:-:*:*:*:* |
No
|
- | ||
| cpe:2.3:h:cisco:1109-4p_integrated_services_router:-:*:*:*:* |
No
|
- | ||
| cpe:2.3:h:cisco:1111x-8p_integrated_services_router:-:*:*:*: |
No
|
- | ||
| cpe:2.3:h:cisco:4221_integrated_services_router:-:*:*:*:*:*: |
No
|
- | ||
| cpe:2.3:h:cisco:4321_integrated_services_router:-:*:*:*:*:*: |
No
|
- | ||
| cpe:2.3:h:cisco:4331_integrated_services_router:-:*:*:*:*:*: |
No
|
- | ||
| cpe:2.3:h:cisco:4351_integrated_services_router:-:*:*:*:*:*: |
No
|
- | ||
| cpe:2.3:h:cisco:4431_integrated_services_router:-:*:*:*:*:*: |
No
|
- | ||
| cpe:2.3:h:cisco:4451-x_integrated_services_router:-:*:*:*:*: |
No
|
- | ||
| cpe:2.3:h:cisco:4461_integrated_services_router:-:*:*:*:*:*: |
No
|
- | ||
| cpe:2.3:h:cisco:csr_1000v:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:h:cisco:isa_3000:-:*:*:*:*:*:*:* |
No
|
- |