Vulnerability Monitor

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CVE-2019-1690

A vulnerability in the management interface of Cisco Application Policy Infrastructure Controller (APIC) software could allow an unauthenticated, adjacent attacker to gain unauthorized access on an affected device. The vulnerability is due to a lack of proper access control mechanisms for IPv6 link-local connectivity imposed on the management interface of an affected device. An attacker on the same physical network could exploit this vulnerability by attempting to connect to the IPv6 link-local address on the affected device. A successful exploit could allow the attacker to bypass default access control restrictions on an affected device. Cisco Application Policy Infrastructure Controller (APIC) devices running versions prior to 4.2(0.21c) are affected.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts integrity (unauthorized modifications), for affected systems. Impacting 100 products from cisco, from cisco, from cisco and 97 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-03-11T21:29:01.090

Last Modified

2024-11-21T04:37:06.480

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:N/I:P/A:N

Access Vector: ADJACENT_NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

6.5

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-284
Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	cisco	application_policy_infrastructure_controller	< 4.2\(0.21c\)	Yes
Hardware	cisco	firepower_2110	-	No
Hardware	cisco	firepower_2120	-	No
Hardware	cisco	firepower_2130	-	No
Hardware	cisco	firepower_2140	-	No
Hardware	cisco	firepower_4110	-	No
Hardware	cisco	firepower_4112	-	No
Hardware	cisco	firepower_4115	-	No
Hardware	cisco	firepower_4120	-	No
Hardware	cisco	firepower_4125	-	No
Hardware	cisco	firepower_4140	-	No
Hardware	cisco	firepower_4145	-	No
Hardware	cisco	firepower_4150	-	No
Hardware	cisco	firepower_9300	-	No
Hardware	cisco	mds_9100	-	No
Hardware	cisco	mds_9134	-	No
Hardware	cisco	mds_9509	-	No
Hardware	cisco	mds_9710	-	No
Hardware	cisco	nexus_3016	-	No
Hardware	cisco	nexus_3048	-	No
Hardware	cisco	nexus_3064	-	No
Hardware	cisco	nexus_3064-t	-	No
Hardware	cisco	nexus_31108pc-v	-	No
Hardware	cisco	nexus_31108tc-v	-	No
Hardware	cisco	nexus_31128pq	-	No
Hardware	cisco	nexus_3132c-z	-	No
Hardware	cisco	nexus_3132q	-	No
Hardware	cisco	nexus_3132q-v	-	No
Hardware	cisco	nexus_3132q-xl	-	No
Hardware	cisco	nexus_3164q	-	No
Hardware	cisco	nexus_3172	-	No
Hardware	cisco	nexus_3172pq-xl	-	No
Hardware	cisco	nexus_3172tq	-	No
Hardware	cisco	nexus_3172tq-32t	-	No
Hardware	cisco	nexus_3172tq-xl	-	No
Hardware	cisco	nexus_3232c	-	No
Hardware	cisco	nexus_3264c-e	-	No
Hardware	cisco	nexus_3264q	-	No
Hardware	cisco	nexus_3408-s	-	No
Hardware	cisco	nexus_34180yc	-	No
Hardware	cisco	nexus_3432d-s	-	No
Hardware	cisco	nexus_3464c	-	No
Hardware	cisco	nexus_3524	-	No
Hardware	cisco	nexus_3524-x	-	No
Hardware	cisco	nexus_3524-xl	-	No
Hardware	cisco	nexus_3548	-	No
Hardware	cisco	nexus_3548-x	-	No
Hardware	cisco	nexus_3548-xl	-	No
Hardware	cisco	nexus_36180yc-r	-	No
Hardware	cisco	nexus_3636c-r	-	No
Hardware	cisco	nexus_5010	-	No
Hardware	cisco	nexus_5020	-	No
Hardware	cisco	nexus_5548p	-	No
Hardware	cisco	nexus_5548up	-	No
Hardware	cisco	nexus_5596t	-	No
Hardware	cisco	nexus_5596up	-	No
Hardware	cisco	nexus_56128p	-	No
Hardware	cisco	nexus_5624q	-	No
Hardware	cisco	nexus_5648q	-	No
Hardware	cisco	nexus_5672up	-	No
Hardware	cisco	nexus_5696q	-	No
Hardware	cisco	nexus_7000	-	No
Hardware	cisco	nexus_7700	-	No
Hardware	cisco	nexus_9000v	-	No
Hardware	cisco	nexus_92160yc-x	-	No
Hardware	cisco	nexus_92300yc	-	No
Hardware	cisco	nexus_92304qc	-	No
Hardware	cisco	nexus_92348gc-x	-	No
Hardware	cisco	nexus_9236c	-	No
Hardware	cisco	nexus_9272q	-	No
Hardware	cisco	nexus_93108tc-ex	-	No
Hardware	cisco	nexus_93108tc-fx	-	No
Hardware	cisco	nexus_93120tx	-	No
Hardware	cisco	nexus_93128tx	-	No
Hardware	cisco	nexus_93180lc-ex	-	No
Hardware	cisco	nexus_93180yc-ex	-	No
Hardware	cisco	nexus_93180yc-fx	-	No
Hardware	cisco	nexus_93216tc-fx2	-	No
Hardware	cisco	nexus_93240yc-fx2	-	No
Hardware	cisco	nexus_9332c	-	No
Hardware	cisco	nexus_9332pq	-	No
Hardware	cisco	nexus_93360yc-fx2	-	No
Hardware	cisco	nexus_9336c-fx2	-	No
Hardware	cisco	nexus_9336pq_aci_spine	-	No
Hardware	cisco	nexus_9348gc-fxp	-	No
Hardware	cisco	nexus_9364c	-	No
Hardware	cisco	nexus_9372px	-	No
Hardware	cisco	nexus_9372px-e	-	No
Hardware	cisco	nexus_9372tx	-	No
Hardware	cisco	nexus_9372tx-e	-	No
Hardware	cisco	nexus_9396px	-	No
Hardware	cisco	nexus_9396tx	-	No
Hardware	cisco	nexus_9504	-	No
Hardware	cisco	nexus_9508	-	No
Hardware	cisco	nexus_9516	-	No
Hardware	cisco	ucs_6248up	-	No
Hardware	cisco	ucs_6296up	-	No
Hardware	cisco	ucs_6324	-	No
Hardware	cisco	ucs_6332	-	No
Hardware	cisco	ucs_6400	-	No

References

http://www.securityfocus.com/bid/107317 Third Party Advisory, VDB Entry ([email protected])
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-apic-ipv6 Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/107317 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-apic-ipv6 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.