CVE-2017-3875 — MEDIUM (5.3)

Vulnerability Description

An Access-Control Filtering Mechanisms Bypass vulnerability in certain access-control filtering mechanisms on Cisco Nexus 7000 Series Switches could allow an unauthenticated, remote attacker to bypass defined traffic configured within an access control list (ACL) on the affected system. More Information: CSCtz59354. Known Affected Releases: 5.2(4) 6.1(3)S5 6.1(3)S6 6.2(1.121)S0 7.2(1)D1(1) 7.3(0)ZN(0.161) 7.3(1)N1(0.1). Known Fixed Releases: 7.3(0)D1(1) 6.2(2) 6.1(5) 8.3(0)KMT(0.24) 8.3(0)CV(0.337) 7.3(1)N1(1) 7.3(0)ZN(0.210) 7.3(0)ZN(0.177) 7.3(0)ZD(0.194) 7.3(0)TSH(0.99) 7.3(0)SC(0.14) 7.3(0)RSP(0.7) 7.3(0)N1(1) 7.3(0)N1(0.193) 7.3(0)IZN(0.13) 7.3(0)IB(0.102) 7.3(0)GLF(0.44) 7.3(0)D1(0.178) 7.1(0)D1(0.14) 7.0(3)ITI2(1.6) 7.0(3)ISH1(2.13) 7.0(3)IFD6(0.78) 7.0(3)IFD6(0) 7.0(3)IDE6(0.12) 7.0(3)IDE6(0) 7.0(3)I2(1) 7.0(3)I2(0.315) 7.0(1)ZD(0.3) 7.0(0)ZD(0.84) 6.2(1.149)S0 6.2(0.285) 6.1(5.32)S0 6.1(4.97)S0 6.1(2.30)S0.

CVSS Score

5.3

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Cisco	Nx-Os	5.2\(4\)
Cisco	Nexus 7000 10-Slot	-
Cisco	Nexus 7000 18-Slot	-
Cisco	Nexus 7000 4-Slot	-
Cisco	Nexus 7000 9-Slot	-
Cisco	Nexus 7700 10-Slot	-
Cisco	Nexus 7700 18-Slot	-
Cisco	Nexus 7700 2-Slot	-
Cisco	Nexus 7700 6-Slot	-

Related Weaknesses (CWE)

CWE-20

References

http://www.securityfocus.com/bid/96930Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038049
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
http://www.securityfocus.com/bid/96930Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038049
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory

FAQ

What is CVE-2017-3875?

CVE-2017-3875 is a vulnerability with a CVSS score of 5.3 (MEDIUM). An Access-Control Filtering Mechanisms Bypass vulnerability in certain access-control filtering mechanisms on Cisco Nexus 7000 Series Switches could allow an unauthenticated, remote attacker to bypass...

How severe is CVE-2017-3875?

CVE-2017-3875 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-3875?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Nx-Os, Cisco Nexus 7000 10-Slot, Cisco Nexus 7000 18-Slot, Cisco Nexus 7000 4-Slot, Cisco Nexus 7000 9-Slot.