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CVE-2023-20194

16
FAUCET Score

CVE-2023-20194 is a medium-severity vulnerability in the ERS API of Cisco Identity Services Engine (ISE) that allows an authenticated, remote attacker with Administrator-level privileges to read arbitrary files on the underlying operating system. This improper privilege management could lead to privilege escalation and access to sensitive information. The vulnerability has a CVSS score of 4.9 (Medium) and requires high privileges for exploitation, but has low attack complexity. There is currently no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.7CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:*
3.0.0CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:3.0.0:-:*:*:*:*:*:*
3.0.0CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch1:*:*:*:*:*:*
3.0.0CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch2:*:*:*:*:*:*
3.0.0CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 40th percentile among its peer group of 3,565 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

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

sec.cloudapps.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-priv-esc-KJLp2Aw
Vendor Advisory