CVE-2017-12270 Details
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs | CVE | Vendor Advisory |
| http://www.securityfocus.com/bid/101171 | CVE | Third Party AdvisoryVDB Entry |
| http://www.securitytracker.com/id/1039504 | CVE | Third Party AdvisoryVDB Entry |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs | [email protected] | Vendor Advisory |
| http://www.securityfocus.com/bid/101171 | [email protected] | Third Party AdvisoryVDB Entry |
| http://www.securitytracker.com/id/1039504 | [email protected] | Third Party AdvisoryVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| cisco ios xr | All versions |
CPE
Remediation
| |
Change History
8 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| May 13, 2026 | CVE Status Change | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Oct 9, 2019 | CVE Modified | [email protected] |
| Oct 13, 2017 | Initial Analysis | [email protected] |
| Oct 7, 2017 | CVE Modified | [email protected] |
| Oct 6, 2017 | CVE Modified | [email protected] |