Cisco IOS XE Common Flow Table IPv6 Packet input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, has been found in Cisco IOS XE (Router Operating System) (affected version not known). Affected by this issue is some unknown processing of the component Common Flow Table. The manipulation as part of a IPv6 Packet leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability.

The weakness was presented 03/25/2015 with Cisco as cisco-sa-20150325-iosxe as confirmed advisory (Website). The advisory is shared for download at This vulnerability is handled as CVE-2015-0639 since 01/07/2015. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 82586 , which helps to determine the existence of the flaw in a target environment. It is .

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (101795), SecurityTracker (ID 1031981), Vulnerability Center (SBV-49224) and Tenable (82586). See 74109, 74110, 74111 and 74112 for similar entries.






  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
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Class: Input validation
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍


Nessus ID: 82586
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

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01/07/2015 🔍
03/25/2015 +77 days 🔍
03/25/2015 +0 days 🔍
03/25/2015 +0 days 🔍
03/25/2015 +0 days 🔍
03/26/2015 +1 days 🔍
03/26/2015 +0 days 🔍
03/26/2015 +0 days 🔍
04/06/2015 +11 days 🔍
04/16/2022 +2567 days 🔍



Advisory: cisco-sa-20150325-iosxe
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-0639 (🔍)
X-Force: 101795 - Cisco IOS XE Common Flow Table denial of service
SecurityTracker: 1031981 - Cisco ASR Series IOS-XE Bugs Let Remote Users Deny Service and Execute Arbitrary Code
Vulnerability Center: 49224 - [cisco-sa-20150325-iosxe] Cisco IOS XE Remote DoS in Common Flow Table, High
SecurityFocus: 73337 - Cisco IOS XE Software Multiple Denial of Service Vulnerabilities

scip Labs:
See also: 🔍


Created: 03/26/2015 08:50 AM
Updated: 04/16/2022 08:08 AM
Changes: 03/26/2015 08:50 AM (71), 06/23/2017 10:41 AM (3), 04/16/2022 08:03 AM (3), 04/16/2022 08:08 AM (1)
Complete: 🔍


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