Vulnerability Details : CVE-2017-3803
A vulnerability in the Cisco IOS Software forwarding queue of Cisco 2960X and 3750X switches could allow an unauthenticated, adjacent attacker to cause a memory leak in the software forwarding queue that would eventually lead to a partial denial of service (DoS) condition. More Information: CSCva72252. Known Affected Releases: 15.2(2)E3 15.2(4)E1. Known Fixed Releases: 15.2(2)E6 15.2(4)E3 15.2(5)E1 15.2(5.3.28i)E1 15.2(6.0.49i)E 3.9(1)E.
Vulnerability category: Denial of service
Products affected by CVE-2017-3803
- cpe:2.3:o:cisco:ios:15.2\(2\)e3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.2\(4\)e1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-3803
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 35 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-3803
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.3
|
LOW | AV:A/AC:L/Au:N/C:N/I:N/A:P |
6.5
|
2.9
|
NIST | |
|
4.7
|
MEDIUM | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2017-3803
-
The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-3803
-
http://www.securitytracker.com/id/1037657
Cisco Catalyst Switch IPv6 ND Packet Processing Memory Leak Lets Remote Users Consume Excessive CPU Resources on the Target System - SecurityTracker
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170118-catalyst
Cisco IOS for Catalyst 2960X and 3750X Switches Denial of Service VulnerabilityMitigation;Vendor Advisory
-
http://www.securityfocus.com/bid/95632
Cisco Catalyst 2960 and 3750 Series Switches CVE-2017-3803 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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