CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.6 | $0-$5k | 0.00 |
A vulnerability classified as problematic was found in Cisco IOS XR 5.2.1 (Router Operating System). This vulnerability affects an unknown part of the component IPv6 Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:
Cisco IOS XR 5.2.1 allows remote attackers to cause a denial of service (ipv6_io service reload) via a malformed IPv6 packet, aka Bug ID CSCuq95565.
The weakness was presented 06/17/2015 with Cisco as 39383 as confirmed vulnerability alert (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2015-4191 since 06/04/2015. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.
Applying a patch is able to eliminate this problem.
The vulnerability is also documented in the vulnerability database at X-Force (103918).
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.6
VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
06/04/2015 🔍06/17/2015 🔍
06/17/2015 🔍
06/17/2015 🔍
06/18/2015 🔍
06/18/2015 🔍
06/18/2015 🔍
06/18/2015 🔍
07/01/2017 🔍
Sources
Vendor: cisco.comAdvisory: 39383
Organization: Cisco
Status: Confirmed
CVE: CVE-2015-4191 (🔍)
X-Force: 103918 - Cisco IOS XR denial of service
SecurityTracker: 1032615 - Cisco IOS XR IPv6 ipv6_io Service Processing Flaw Lets Remote Users Deny Service
Vulnerability Center: 50606 - Cisco IOS XR Remote DoS via IPv6 Packets, Medium
SecurityFocus: 75260 - Cisco IOS XR Software CVE-2015-4191 Denial of Service Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20150108
Entry
Created: 06/18/2015 10:36Updated: 07/01/2017 07:49
Changes: 06/18/2015 10:36 (67), 07/01/2017 07:49 (3)
Complete: 🔍
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