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NVD Vulnerability Details :
CVE-2017-12270
Modified
More InfoOfficial Page
Source-psirt@cisco.com
View Known Exploited Vulnerability (KEV) details
Published At-05 Oct, 2017 | 07:29
Updated At-13 May, 2026 | 00:24

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.07.5HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
Type: Primary
Version: 3.0
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Primary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CPE Matches
Cisco Systems, Inc.
cisco
>>ios_xr>>-
cpe:2.3:o:cisco:ios_xr:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-119Secondarypsirt@cisco.com
CWE-119Primarynvd@nist.gov
CWE ID: CWE-119
Type: Secondary
Source: psirt@cisco.com
CWE ID: CWE-119
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://www.securityfocus.com/bid/101171psirt@cisco.com
Third Party Advisory
VDB Entry
http://www.securitytracker.com/id/1039504psirt@cisco.com
Third Party Advisory
VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncspsirt@cisco.com
Vendor Advisory
http://www.securityfocus.com/bid/101171af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
VDB Entry
http://www.securitytracker.com/id/1039504af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncsaf854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Hyperlink: http://www.securityfocus.com/bid/101171
Source: psirt@cisco.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: http://www.securitytracker.com/id/1039504
Source: psirt@cisco.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs
Source: psirt@cisco.com
Resource:
Vendor Advisory
Hyperlink: http://www.securityfocus.com/bid/101171
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
VDB Entry
Hyperlink: http://www.securitytracker.com/id/1039504
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory
Change History
0Changes found
Details not found