CVE-2017-12270
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
A vulnerability in the gRPC code of Cisco IOS XR Software for Cisco Network Convergence System (NCS) 5500 Series Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition when the emsd service stops. The vulnerability is due to the software's inability to process HTTP/2 packets. An attacker could exploit this vulnerability by sending a malformed HTTP/2 frame to the affected device. A successful exploit could allow the attacker to create a DoS condition when the emsd service stops. Cisco Bug IDs: CSCvb99388.
Overview
- CVE ID
- CVE-2017-12270
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Modified
- Published Version
- 2017-10-05T07:29:00
- Last Modified Date
- 2019-10-09T23:22:48
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:cisco:ios_xr:-:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/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-20171004-ncs | Vendor Advisory |
| http://www.securitytracker.com/id/1039504 | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/101171 | Third Party Advisory VDB Entry |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-12270 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12270 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:12:06 | Added to TrackCVE | |||
| 2022-12-02 21:42:28 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-02 21:42:28 | 2017-10-05T07:29Z | 2017-10-05T07:29:00 | CVE Published Date | updated |
| 2022-12-02 21:42:28 | 2019-10-09T23:22:48 | CVE Modified Date | updated | |
| 2022-12-02 21:42:28 | Modified | Vulnerability Status | updated |