CVE-2026-20148: cisco cisco identity services engine software Path Traversal
Vulnerability summary
CVE-2026-20148 is a medium (CVSS 4.9) Path Traversal vulnerability in cisco cisco identity services engine software. EPSS estimates a 6.54% chance of exploitation in the next 30 days, higher than 93.7% of scored vulnerabilities.
Timeline
- 15-04-2026PublishedVulnerability first disclosed.
- 15-04-2026Last modifiedVulnerability information updated.
Description
A vulnerability in Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to perform path traversal attacks on the underlying operating system and read arbitrary files. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to access sensitive files on the affected system.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
6.54%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 6.54% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco4 products
- cisco identity services engine software3.1.0 | 3.1.0 p1 | 3.1.0 p3 | 3.1.0 p2 | 3.2.0 | 3.1.0 p4 | 3.1.0 p5 | 3.2.0 p1 | 3.1.0 p6 | 3.2.0 p2 | 3.1.0 p7 | 3.3.0 | 3.2.0 p3 | 3.2.0 p4 | 3.1.0 p8 | 3.2.0 p5 | 3.2.0 p6 | 3.1.0 p9 | 3.3 Patch 2 | 3.3 Patch 1 | 3.3 Patch 3 | 3.4.0 | 3.2.0 p7 | 3.3 Patch 4 | 3.4 Patch 1 | 3.1.0 p10 | 3.3 Patch 5 | 3.3 Patch 6 | 3.4 Patch 2 | 3.3 Patch 7 | 3.4 Patch 3 | 3.5.0 | 3.4 Patch 4 | 3.3 Patch 8 | 3.2 Patch 8 | 3.5 Patch 1 | 3.3 Patch 9 | 3.2 Patch 9
- cisco ise passive identity connector3.2.0 | 3.1.0 | 3.3.0 | 3.4.0
- identity_services_engine< 3.1 | 3.1.0 | 3.1.0:patch1 | 3.1.0:patch10 | 3.1.0:patch2 | 3.1.0:patch3 | 3.1.0:patch4 | 3.1.0:patch5 | 3.1.0:patch6 | 3.1.0:patch7 | 3.1.0:patch8 | 3.1.0:patch9 | 3.2.0 | 3.2.0:patch1 | 3.2.0:patch2 | 3.2.0:patch3 | 3.2.0:patch4 | 3.2.0:patch5 | 3.2.0:patch6 | 3.2.0:patch7 | 3.2.0:patch8 | 3.2.0:patch9 | 3.3.0 | 3.3.0:patch1 | 3.3.0:patch10 | 3.3.0:patch2 | 3.3.0:patch3 | 3.3.0:patch4 | 3.3.0:patch5 | 3.3.0:patch6 | 3.3.0:patch7 | 3.3.0:patch8 | 3.3.0:patch9 | 3.4.0 | 3.4.0:patch1 | 3.4.0:patch2 | 3.4.0:patch3 | 3.4.0:patch4 | 3.4.0:patch5 | 3.5.0 | 3.5.0:patch1 | 3.5.0:patch2
- identity_services_engine_passive_identity_connector< 3.1.0 | 3.1.0 | 3.1.0:patch1 | 3.1.0:patch10 | 3.1.0:patch2 | 3.1.0:patch3 | 3.1.0:patch4 | 3.1.0:patch5 | 3.1.0:patch6 | 3.1.0:patch7 | 3.1.0:patch8 | 3.1.0:patch9 | 3.2.0 | 3.2.0:patch1 | 3.2.0:patch2 | 3.2.0:patch3 | 3.2.0:patch4 | 3.2.0:patch5 | 3.2.0:patch6 | 3.2.0:patch7 | 3.2.0:patch8 | 3.2.0:patch9 | 3.3.0 | 3.3.0:patch1 | 3.3.0:patch10 | 3.3.0:patch2 | 3.3.0:patch3 | 3.3.0:patch4 | 3.3.0:patch5 | 3.3.0:patch6 | 3.3.0:patch7 | 3.3.0:patch8 | 3.3.0:patch9 | 3.4.0 | 3.4.0:patch1 | 3.4.0:patch2 | 3.4.0:patch3 | 3.4.0:patch4 | 3.4.0:patch5
1 vendor · 4 products
References
1 links- sec.cloudapps.cisco.com/security/…Vendor Advisory