What is CVE-2019-1759?

CVE-2019-1759 is a medium-severity vulnerability in Cisco iOS Xe Software, classified under Improper Access Control. CVSS score: 5.3/10. Published 2019-03-28.

How severe is CVE-2019-1759?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2019-1759 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Cisco iOS Xe Software

CVE-2019-1759

A vulnerability in access control list (ACL) functionality of the Gigabit Ethernet Management interface of Cisco IOS XE Software could allow an unauthenticated, remote attacker to reach the configured IP addresses on the Gigabit Ethernet Management interface. The vulnerability is due to a logic error that was introduced in the Cisco IOS XE Software 16.1.1 Release, which prevents the ACL from working when applied against the management interface. An attacker could exploit this issue by attempting to access the device via the management interface.

EPSS: 0.044 (90.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Cisco Ios Xe Software — versions 3.2.0JA, 16.2.1, 16.2.2
Cisco Ios_xe — versions 3.2.0ja, 16.2.1, 16.2.2

Weakness classification (CWE)

Public proof-of-concept exploits

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Patch, Vendor Advisory)
psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2019-1759?: CVE-2019-1759 is a medium-severity vulnerability in Cisco iOS Xe Software, classified under Improper Access Control. CVSS score: 5.3/10. Published 2019-03-28.
How severe is CVE-2019-1759?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2019-1759 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.