CVE-2020-3564
CVSS V2 Medium 5
CVSS V3 Medium 5.3
Description
A vulnerability in the FTP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass FTP inspection. The vulnerability is due to ineffective flow tracking of FTP traffic. An attacker could exploit this vulnerability by sending crafted FTP traffic through an affected device. A successful exploit could allow the attacker to bypass FTP inspection and successfully complete FTP connections.
Overview
- CVE ID
- CVE-2020-3564
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-10-21T19:15:18
- Last Modified Date
- 2021-10-19T14:50:56
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.6 | |
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.8.0 | 9.8.4.26 |
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.9.0 | 9.9.2.80 |
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.10.0 | 9.10.1.44 |
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.12.0 | 9.12.4.4 |
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.13.0 | 9.13.1.13 |
| cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | 1 | OR | 9.14.0 | 9.14.1.19 |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR | 6.3.0.6 | |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR | 6.4.0 | 6.4.0.10 |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR | 6.5.0 | 6.5.0.5 |
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR | 6.6.0 | 6.6.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5.3
- Base Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ftpbypass-HY3UTxYu | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-3564 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3564 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:51:05 | Added to TrackCVE | |||
| 2022-12-05 00:47:12 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-05 00:47:12 | 2020-10-21T19:15Z | 2020-10-21T19:15:18 | CVE Published Date | updated |
| 2022-12-05 00:47:12 | 2021-10-19T14:50:56 | CVE Modified Date | updated | |
| 2022-12-05 00:47:12 | Analyzed | Vulnerability Status | updated |