CVE-2021-1573
CVSS V2 High 7.1
CVSS V3 High 7.5
Description
A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper input validation when parsing HTTPS requests. An attacker could exploit this vulnerability by sending a malicious HTTPS request to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Overview
- CVE ID
- CVE-2021-1573
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-01-11T19:15:07
- Last Modified Date
- 2022-01-19T15:23:52
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.7 | |
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.8 | 9.8.4.40 |
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.9 | 9.12.4.26 |
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.13 | 9.14.3 |
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.15 | 9.15.1.17 |
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.16 | 9.16.1.28 |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR | 6.2.2 | |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR | 6.2.3 | 6.4.0.13 |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR | 6.5.0 | 6.6.5 |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR | 6.7.0 | 6.7.0.3 |
| cpe:2.3:a:cisco:firepower_threat_defense:7.0.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:N/A:C
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 7.1
- Severity
- HIGH
- Exploitability Score
- 8.6
- Impact Score
- 6.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asafdt-webvpn-dos-KSqJAKPA | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-1573 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1573 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:37:04 | Added to TrackCVE | |||
| 2022-12-06 06:05:49 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-06 06:05:49 | 2022-01-11T19:15Z | 2022-01-11T19:15:07 | CVE Published Date | updated |
| 2022-12-06 06:05:49 | 2022-01-19T15:23:52 | CVE Modified Date | updated | |
| 2022-12-06 06:05:49 | Analyzed | Vulnerability Status | updated |