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CVE-2019-1757

MEDIUMCVSS 5.9/10EPSS 1.05%

Last modified

CVE-2019-1757 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. A vulnerability in the Cisco Smart Call Home feature of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to gain unauthorized read access to sensitive data using an invalid certificate. The vulnerability is due to insufficient certificate validation by the affected software. EPSS estimates a 1.05% chance of exploitation in the next 30 days.

Description

A vulnerability in the Cisco Smart Call Home feature of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to gain unauthorized read access to sensitive data using an invalid certificate. The vulnerability is due to insufficient certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software.

Metrics

CVSS 3.1
5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
1.05%

60.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos2.3
CiscoIos12.2\(6\)i1
CiscoIos12.4\(25e\)jap1m
CiscoIos12.4\(25e\)jap2
CiscoIos12.4\(25e\)jap26
CiscoIos12.4\(25e\)jaz1
CiscoIos15.1\(2\)sg8a
CiscoIos15.1\(3\)svg3d
CiscoIos15.1\(3\)svi1b
CiscoIos15.1\(3\)svm3
CiscoIos15.1\(3\)svn2
CiscoIos15.1\(3\)svo1
CiscoIos15.1\(3\)svo2
CiscoIos15.1\(3\)svp1
CiscoIos15.1\(4\)m12c
CiscoIos15.2\(2\)e4
CiscoIos15.2\(2\)e5
CiscoIos15.2\(2\)e5a
CiscoIos15.2\(2\)e5b
CiscoIos15.2\(2\)e6
CiscoIos15.2\(2\)e7
CiscoIos15.2\(2\)e7b
CiscoIos15.2\(2\)e8
CiscoIos15.2\(3\)e4
CiscoIos15.2\(3\)e5
CiscoIos15.2\(3\)ea1
CiscoIos15.2\(4\)e2
CiscoIos15.2\(4\)e3
CiscoIos15.2\(4\)e4
CiscoIos15.2\(4\)e5
CiscoIos15.2\(4\)e5a
CiscoIos15.2\(4\)e6
CiscoIos15.2\(4\)ea8
CiscoIos15.2\(4\)ea9
CiscoIos15.2\(4\)jaz1
CiscoIos15.2\(4\)jn1
CiscoIos15.2\(4a\)ea5
CiscoIos15.2\(4m\)e2
CiscoIos15.2\(4m\)e3
CiscoIos15.2\(4n\)e2
CiscoIos15.2\(4o\)e2
CiscoIos15.2\(4o\)e3
CiscoIos15.2\(4p\)e1
CiscoIos15.2\(4q\)e1
CiscoIos15.2\(4s\)e1
CiscoIos15.2\(4s\)e2
CiscoIos15.2\(5\)e
CiscoIos15.2\(5\)e1
CiscoIos15.2\(5\)e2
CiscoIos15.2\(5\)e2b

Showing 50 of 239 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-1757?
A vulnerability in the Cisco Smart Call Home feature of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to gain unauthorized read access to sensitive data using an invalid certificate. The vulnerability is due to insufficient certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software.
How severe is CVE-2019-1757?
CVE-2019-1757 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.
How do I fix CVE-2019-1757?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-1757?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST