Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-1758

18
FAUCET Score

CVE-2019-1758 is a medium-severity vulnerability affecting the 802.1x function in Cisco IOS Software on Catalyst 6500 Series Switches. It allows an unauthenticated, adjacent attacker to gain intermittent network access prior to authentication by exploiting how 802.1x packets are processed. The CVSS score is 4.3 (AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N), indicating a low impact on integrity and no impact on confidentiality or availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
12.2\(33\)sxj6CPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2\(33\)sxj6:*:*:*:*:*:*:*
12.2\(33\)sxj7CPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2\(33\)sxj7:*:*:*:*:*:*:*
12.2\(33\)sxj8CPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2\(33\)sxj8:*:*:*:*:*:*:*
12.2\(33\)sxj9CPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2\(33\)sxj9:*:*:*:*:*:*:*
12.2\(33\)sxj10CPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2\(33\)sxj10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.7MEDIUM

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.59%
Probability of exploitation in next 30 days
EPSS Percentile
44.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0059 is in the 70th percentile among its peer group of 1,802 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

ciscopatch availablevia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-c6500
PatchVendor Advisory
securityfocus.com / bid/107616
Third Party AdvisoryVDB Entry