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CVE-2019-1730

22
FAUCET Score

CVE-2019-1730 is a vulnerability in the Bash shell of Cisco NX-OS Software that allows an authenticated, local attacker to bypass the restricted Guest Shell and execute commands as a network-admin user. This medium-severity vulnerability (CVSS 6.7) requires high privileges and local access, but has a high impact on confidentiality, integrity, and availability. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.0\(3\)i4, < 7.0\(3\)i4\(9\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
>= 7.0\(3\)i7, < 7.0\(3\)i7\(4\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
>= 8.1, < 8.3\(1\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
>= 7.0\(3\), < 7.0\(3\)f3\(5\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.0MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 82nd percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-bash-bypass
Vendor Advisory
securityfocus.com / bid/108397
Third Party AdvisoryVDB Entry