4.7

CVE-2019-1758: cisco cisco ios software Improper Authentication

CVSS: 4.7v3.0MediumModified
Published 28-03-2019Last modified 21-11-2024
Open JSON

Vulnerability summary

CVE-2019-1758 is a medium (CVSS 4.7) Improper Authentication vulnerability in cisco cisco ios software. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.2% of scored vulnerabilities.

Overall risk
19/100
0100
Low · default modelHow is this calculated?
CVSS score
4.7/10
010
Medium · v3.0 (CVE.org)
EPSS score
0.59%
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. 21-11-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability in 802.1x function of Cisco IOS Software on the Catalyst 6500 Series Switches could allow an unauthenticated, adjacent attacker to access the network prior to authentication. The vulnerability is due to how the 802.1x packets are handled in the process path. An attacker could exploit this vulnerability by attempting to connect to the network on an 802.1x configured port. A successful exploit could allow the attacker to intermittently obtain access to the network.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

0.00 pp

From 0.59% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.59%

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

Cisco2 products
  • cisco ios software12.2(60)EZ12
  • ios12.2\(33\)sxj6 | 12.2\(33\)sxj7 | 12.2\(33\)sxj8 | 12.2\(33\)sxj9 | 12.2\(33\)sxj10 | 12.2\(60\)ez12 | 15.1\(1\)sy1 | 15.1\(1\)sy2 | 15.1\(1\)sy3 | 15.1\(1\)sy4 | 15.1\(1\)sy5 | 15.1\(1\)sy6 | 15.1\(2\)sg8a | 15.1\(2\)sy | 15.1\(2\)sy1 | 15.1\(2\)sy2 | 15.1\(2\)sy3 | 15.1\(2\)sy4 | 15.1\(2\)sy4a | 15.1\(2\)sy5 | 15.1\(2\)sy6 | 15.1\(2\)sy7 | 15.1\(2\)sy8 | 15.1\(2\)sy9 | 15.1\(2\)sy10 | 15.1\(2\)sy11 | 15.1\(2\)sy12 | 15.1\(2\)sy13 | 15.1\(3\)svg3d | 15.1\(3\)svi1b | 15.1\(3\)svk4b | 15.1\(3\)svk4c | 15.1\(3\)svm3 | 15.1\(3\)svn2 | 15.1\(3\)svo1 | 15.1\(3\)svo2 | 15.1\(3\)svp1 | 15.1\(3\)svp2 | 15.1\(4\)m12c | 15.2\(1\)sy | 15.2\(1\)sy0a | 15.2\(1\)sy1 | 15.2\(1\)sy1a | 15.2\(1\)sy2 | 15.2\(1\)sy3 | 15.2\(1\)sy4 | 15.2\(1\)sy5 | 15.2\(1\)sy6 | 15.2\(1\)sy7 | 15.2\(2\)sy | 15.2\(2\)sy1 | 15.2\(2\)sy2 | 15.2\(2\)sy3 | 15.2\(3\)ea1 | 15.2\(4\)jn1 | 15.2\(4a\)ea5 | 15.3\(0\)sy | 15.3\(1\)sy | 15.3\(1\)sy1 | 15.3\(1\)sy2 | 15.3\(3\)ja1n | 15.3\(3\)jf35 | 15.3\(3\)ji2 | 15.4\(1\)sy | 15.4\(1\)sy1 | 15.4\(1\)sy2 | 15.4\(1\)sy3 | 15.4\(1\)sy4 | 15.5\(1\)sy | 15.5\(1\)sy1 | 15.5\(1\)sy2 | 15.6\(2\)sp3b

1 vendor · 2 products

References

2 links