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CVE-2021-1501
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a crash and reload of an affected device, resulting in a denial of service (DoS) condition.The vulnerability is due to a crash that occurs during a hash lookup for a SIP pinhole connection. An attacker could exploit this vulnerability by sending crafted SIP traffic through an affected device. A successful exploit could allow the attacker to cause a crash and reload of the affected device..
CVSSv2.0 Score
- Severity
- High
- Base Score
- 7.8/10
- Exploit Score
- 10/10
- Access Vector
- Network
- Access Complexity
- Low
- 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:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* |
Yes
|
6.5.0 | 6.6.4 | |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* |
Yes
|
6.7.0 | 6.7.0.2 | |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* |
Yes
|
6.2.2 | 6.4.0.12 | |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:* |
Yes
|
9.8 | 9.8.4.34 | |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:* |
Yes
|
9.13 | 9.13.1.21 | |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:* |
Yes
|
9.9 | 9.9.2.85 | |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:* |
Yes
|
9.14 | 9.14.2.13 | |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:* |
Yes
|
9.10 | 9.12.4.18 | |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:* |
Yes
|
9.15 | 9.15.1.15 |