CVE-2019-12655
CVSS V2 High 7.8
CVSS V3 High 7.5
Description
A vulnerability in the FTP application layer gateway (ALG) functionality used by Network Address Translation (NAT), NAT IPv6 to IPv4 (NAT64), and the Zone-Based Policy Firewall (ZBFW) in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a buffer overflow that occurs when an affected device inspects certain FTP traffic. An attacker could exploit this vulnerability by performing a specific FTP transfer through the device. A successful exploit could allow the attacker to cause the device to reload.
Overview
- CVE ID
- CVE-2019-12655
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Modified
- Published Version
- 2019-09-25T21:15:10
- Last Modified Date
- 2019-10-09T23:45:58
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* | 1 | OR | 3.16.8s | 16.3.8 |
| cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* | 1 | OR | 16.10.1 | 16.11.1 |
| cpe:2.3:o:cisco:ios:16.6.4:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios:16.6.5:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios:16.9.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios:16.9.2:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 7.8
- Severity
- HIGH
- Exploitability Score
- 10
- 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-20190925-ftp | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-12655 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12655 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:03:16 | Added to TrackCVE | |||
| 2022-12-04 03:11:03 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-04 03:11:03 | 2019-09-25T21:15Z | 2019-09-25T21:15:10 | CVE Published Date | updated |
| 2022-12-04 03:11:03 | 2019-10-09T23:45:58 | CVE Modified Date | updated | |
| 2022-12-04 03:11:03 | Modified | Vulnerability Status | updated |