5.9

CVE-2019-1757: cisco cisco ios and ios xe software Improper Certificate Validation

CVSS: 5.9v3.1MediumModified
Published 28-03-2019Last modified 15-11-2024
Open JSON

Vulnerability summary

CVE-2019-1757 is a medium (CVSS 5.9) Improper Certificate Validation vulnerability in cisco cisco ios and ios xe software. EPSS estimates a 1.05% chance of exploitation in the next 30 days, higher than 63.8% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.1 (NVD)
EPSS score
1.05%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-03-2019
    PublishedVulnerability first disclosed.
  2. 15-11-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.05%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

0.00 pp

From 1.05% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.05%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco3 products
  • cisco ios and ios xe software3.6.4E | 3.6.5E | 3.6.6E | 3.6.5aE | 3.6.5bE | 3.6.7E | 3.6.8E | 3.6.7aE | 3.6.7bE | 3.7.4E | 3.7.5E | 3.16.1S | 3.16.1aS | 3.16.2S | 3.16.2aS | 3.16.3S | 3.16.2bS | 3.16.3aS | 3.16.4S | 3.16.4aS | 3.16.4bS | 3.16.4gS | 3.16.5S | 3.16.4cS | 3.16.4dS | 3.16.4eS | 3.16.6S | 3.16.5aS | 3.16.5bS | 3.16.7S | 3.16.6bS | 3.16.7aS | 3.16.7bS | 3.17.0S | 3.17.1S | 3.17.2S | 3.17.1aS | 3.17.3S | 3.17.4S | 16.2.1 | 16.2.2 | 3.8.2E | 3.8.3E | 3.8.4E | 3.8.5E | 3.8.5aE | 3.8.6E | 16.3.1 | 16.3.2 | 16.3.3 | 16.3.1a | 16.3.4 | 16.3.5 | 16.3.5b | 16.3.6 | 16.4.1 | 16.4.2 | 16.4.3 | 16.5.1 | 16.5.1a | 16.5.1b | 16.5.2 | 16.5.3 | 3.18.0aS | 3.18.0S | 3.18.1S | 3.18.2S | 3.18.3S | 3.18.4S | 3.18.0SP | 3.18.1SP | 3.18.1aSP | 3.18.1gSP | 3.18.1bSP | 3.18.1cSP | 3.18.2SP | 3.18.1hSP | 3.18.2aSP | 3.18.1iSP | 3.18.3SP | 3.18.4SP | 3.18.3aSP | 3.18.3bSP | 3.9.0E | 3.9.1E | 3.9.2E | 3.9.2bE | 16.6.1 | 16.6.2 | 16.6.3 | 16.7.1 | 16.7.1a | 16.7.1b | 16.7.2 | 16.8.1 | 16.8.1a | 16.8.1b | 16.8.1s | 16.8.1c | 16.8.1d | 16.8.2 | 16.9.1b | 16.9.1s | 16.9.1c | 3.10.0E | 3.10.1E | 3.10.0cE | 3.10.1aE | 3.10.1sE
  • ios2.3 | 12.2\(6\)i1 | 12.4\(25e\)jap1m | 12.4\(25e\)jap2 | 12.4\(25e\)jap26 | 12.4\(25e\)jaz1 | 15.1\(2\)sg8a | 15.1\(3\)svg3d | 15.1\(3\)svi1b | 15.1\(3\)svm3 | 15.1\(3\)svn2 | 15.1\(3\)svo1 | 15.1\(3\)svo2 | 15.1\(3\)svp1 | 15.1\(4\)m12c | 15.2\(2\)e4 | 15.2\(2\)e5 | 15.2\(2\)e5a | 15.2\(2\)e5b | 15.2\(2\)e6 | 15.2\(2\)e7 | 15.2\(2\)e7b | 15.2\(2\)e8 | 15.2\(3\)e4 | 15.2\(3\)e5 | 15.2\(3\)ea1 | 15.2\(4\)e2 | 15.2\(4\)e3 | 15.2\(4\)e4 | 15.2\(4\)e5 | 15.2\(4\)e5a | 15.2\(4\)e6 | 15.2\(4\)ea8 | 15.2\(4\)ea9 | 15.2\(4\)jaz1 | 15.2\(4\)jn1 | 15.2\(4a\)ea5 | 15.2\(4m\)e2 | 15.2\(4m\)e3 | 15.2\(4n\)e2 | 15.2\(4o\)e2 | 15.2\(4o\)e3 | 15.2\(4p\)e1 | 15.2\(4q\)e1 | 15.2\(4s\)e1 | 15.2\(4s\)e2 | 15.2\(5\)e | 15.2\(5\)e1 | 15.2\(5\)e2 | 15.2\(5\)e2b | 15.2\(5\)e2c | 15.2\(5\)ea | 15.2\(5\)ex | 15.2\(5a\)e | 15.2\(5a\)e1 | 15.2\(5b\)e | 15.2\(5c\)e | 15.2\(6\)e | 15.2\(6\)e0a | 15.2\(6\)e0c | 15.2\(6\)e1 | 15.2\(6\)e1a | 15.2\(6\)e1s | 15.3\(3\)ja1n | 15.3\(3\)jd15 | 15.3\(3\)jda15 | 15.3\(3\)jf35 | 15.3\(3\)ji | 15.3\(3\)ji2 | 15.3\(3\)jn1 | 15.3\(3\)jn2 | 15.5\(3\)s1 | 15.5\(3\)s1a | 15.5\(3\)s2 | 15.5\(3\)s3 | 15.5\(3\)s4 | 15.5\(3\)s5 | 15.5\(3\)s6 | 15.5\(3\)s6a | 15.5\(3\)s6b | 15.5\(3\)s7 | 15.6\(1\)s | 15.6\(1\)s1 | 15.6\(1\)s2 | 15.6\(1\)s3 | 15.6\(1\)s4 | 15.6\(1\)sn | 15.6\(1\)sn1 | 15.6\(1\)sn2 | 15.6\(1\)sn3 | 15.6\(1\)t | 15.6\(1\)t0a | 15.6\(1\)t1 | 15.6\(1\)t2 | 15.6\(1\)t3 | 15.6\(2\)s | 15.6\(2\)s1 | 15.6\(2\)s2 | 15.6\(2\)s3 | 15.6\(2\)s4 | 15.6\(2\)sn | 15.6\(2\)sp | 15.6\(2\)sp1 | 15.6\(2\)sp2 | 15.6\(2\)sp3 | 15.6\(2\)sp3b | 15.6\(2\)sp4 | 15.6\(2\)t | 15.6\(2\)t0a | 15.6\(2\)t1 | 15.6\(2\)t2 | 15.6\(2\)t3 | 15.6\(3\)m | 15.6\(3\)m0a | 15.6\(3\)m1 | 15.6\(3\)m1a | 15.6\(3\)m1b | 15.6\(3\)m2 | 15.6\(3\)m2a | 15.6\(3\)m3 | 15.6\(3\)m3a | 15.6\(3\)m4 | 15.6\(3\)sn | 15.6\(4\)sn | 15.6\(5\)sn | 15.6\(6\)sn | 15.6\(7\)sn | 15.7\(3\)m | 15.7\(3\)m0a | 15.7\(3\)m1 | 15.7\(3\)m2
  • ios_xe3.6.4e | 3.6.5ae | 3.6.5be | 3.6.5e | 3.6.6e | 3.6.7ae | 3.6.7be | 3.6.7e | 3.6.8e | 3.7.4e | 3.7.5e | 3.8.2e | 3.8.3e | 3.8.4e | 3.8.5ae | 3.8.5e | 3.8.6e | 3.9.0e | 3.9.1e | 3.9.2be | 3.9.2e | 3.10.0ce | 3.10.0e | 3.10.1ae | 3.10.1e | 3.10.1se | 3.16.1as | 3.16.1s | 3.16.2as | 3.16.2bs | 3.16.2s | 3.16.3as | 3.16.3s | 3.16.4as | 3.16.4bs | 3.16.4cs | 3.16.4ds | 3.16.4es | 3.16.4gs | 3.16.4s | 3.16.5as | 3.16.5bs | 3.16.5s | 3.16.6bs | 3.16.6s | 3.16.7as | 3.16.7bs | 3.16.7s | 3.17.0s | 3.17.1as | 3.17.1s | 3.17.3s | 3.17.4s | 3.18.0as | 3.18.0s | 3.18.0sp | 3.18.1asp | 3.18.1bsp | 3.18.1csp | 3.18.1gsp | 3.18.1hsp | 3.18.1isp | 3.18.1s | 3.18.1sp | 3.18.2asp | 3.18.2s | 3.18.2sp | 3.18.3asp | 3.18.3bsp | 3.18.3s | 3.18.3sp | 3.18.4s | 3.18.4sp | 16.2.1 | 16.2.2 | 16.3.1 | 16.3.1a | 16.3.2 | 16.3.3 | 16.3.4 | 16.3.5 | 16.3.5b | 16.3.6 | 16.4.1 | 16.4.2 | 16.4.3 | 16.5.1 | 16.5.1a | 16.5.1b | 16.5.2 | 16.5.3 | 16.6.1 | 16.6.2 | 16.6.3 | 16.7.1 | 16.7.1a | 16.7.1b | 16.7.2 | 16.8.1 | 16.8.1a | 16.8.1b | 16.8.1c | 16.8.1d | 16.8.1s | 16.8.2 | 16.9.1b | 16.9.1c | 16.9.1s

1 vendor · 3 products

References

2 links