CVE-2019-1981
CVSS V2 Medium 5
CVSS V3 Medium 5.8
Description
A vulnerability in the normalization functionality of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software could allow an unauthenticated, remote attacker to bypass filtering protections. The vulnerability is due to insufficient normalization of a text-based payload. An attacker could exploit this vulnerability by sending traffic that contains specifically obfuscated payloads through an affected device. An exploit could allow the attacker to bypass filtering and deliver malicious payloads to protected systems that would otherwise be blocked.
Overview
- CVE ID
- CVE-2019-1981
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2019-11-05T20:15:11
- Last Modified Date
- 2020-10-16T14:26:26
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* | 1 | OR | 2.9.12 | 2.9.12.15 |
| cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* | 1 | OR | 2.9.13 | 2.9.13.6 |
| cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* | 1 | OR | 2.9.14.0 | 2.9.14.5 |
| cpe:2.3:a:cisco:firepower_management_center:2.9.15:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_management_center:2.9.16:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_services_software_for_asa:*:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | 1 | OR |
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:C/C:N/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5.8
- 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-20190816-ftd-null | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-1981 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1981 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:07:35 | Added to TrackCVE | |||
| 2022-12-04 05:26:41 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-04 05:26:41 | 2019-11-05T20:15Z | 2019-11-05T20:15:11 | CVE Published Date | updated |
| 2022-12-04 05:26:41 | 2020-10-16T14:26:26 | CVE Modified Date | updated | |
| 2022-12-04 05:26:41 | Analyzed | Vulnerability Status | updated |