CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability was found in Cisco IOS and IOS XE (Router Operating System) (the affected version is unknown). It has been rated as critical. This issue affects an unknown code of the component IP Fragment Reassembly. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:
Cisco IOS XE 3.1 through 3.17 and 16.1 on 64-bit platforms allows remote attackers to cause a denial of service (data-structure corruption and device reload) via fragmented IPv4 packets, aka Bug ID CSCux66005.
The weakness was published 09/28/2016 with Cisco as cisco-sa-20160928-frag as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2016-6386 since 07/26/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
tools.cisco.com is providing further details. Similar entries are available at 92251, 92252, 92253 and 92254.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
OpenVAS ID: 802594
OpenVAS Name: Cisco IOS XE Software IP Fragment Reassembly Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
07/26/2016 🔍09/28/2016 🔍
09/28/2016 🔍
09/28/2016 🔍
09/28/2016 🔍
10/03/2016 🔍
10/05/2016 🔍
04/29/2019 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20160928-frag
Organization: Cisco
Status: Confirmed
CVE: CVE-2016-6386 (🔍)
OVAL: 🔍
SecurityTracker: 1036914
SecurityFocus: 93202 - Cisco IOS XE Software CVE-2016-6386 Denial of Service Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20150108
Misc.: 🔍
See also: 🔍
Entry
Created: 10/03/2016 10:04Updated: 04/29/2019 11:14
Changes: 10/03/2016 10:04 (66), 04/29/2019 11:14 (11)
Complete: 🔍
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