CVE-2026-20189: cisco cisco prime infrastructure Missing Authorization
Vulnerability summary
CVE-2026-20189 is a medium (CVSS 4.3) Missing Authorization vulnerability in cisco cisco prime infrastructure. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.1% of scored vulnerabilities.
Timeline
- 06-05-2026PublishedVulnerability first disclosed.
- 06-05-2026Last modifiedVulnerability information updated.
Description
A vulnerability in the log file download functionality of Cisco Prime Infrastructure could allow an authenticated, remote attacker to download arbitrary log files from the server. This vulnerability is due to insufficient authorization checks on the download service API. An attacker could exploit this vulnerability by submitting a crafted URL request to an affected device. A successful exploit could allow the attacker to download sensitive log files that they would otherwise not have authorization to access. To exploit this vulnerability, the attacker must have valid credentials to access the web-based management interface of the affected device.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
0.00 pp
From 0.21% 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
Cisco2 products
- cisco prime infrastructure3.6.0 | 3.7.0 | 3.4.0 | 3.3.0 | 3.5.0 | 3.2.0-FIPS | 3.8.0-FED | 3.9.0 | 3.8.0 | 3.10.0 | 3.9.1 | 3.8.1 | 3.7.1 | 3.5.1 | 3.4.2 | 3.3.1 | 3.2.1 | 3.2.2 | 3.4.1 | 3.10.2 | 3.10.3 | 3.10 | 3.10.1 | 3.7.1 Update 03 | 3.7.1 Update 04 | 3.7.1 Update 06 | 3.7.1 Update 07 | 3.8.1 Update 01 | 3.8.1 Update 02 | 3.8.1 Update 03 | 3.8.1 Update 04 | 3.9.1 Update 01 | 3.9.1 Update 02 | 3.9.1 Update 03 | 3.9.1 Update 04 | 3.10 Update 01 | 3.4.2 Update 01 | 3.6.0 Update 04 | 3.6.0 Update 02 | 3.6.0 Update 03 | 3.6.0 Update 01 | 3.5.1 Update 03 | 3.5.1 Update 01 | 3.5.1 Update 02 | 3.7.0 Update 03 | 3.8.0 Update 01 | 3.8.0 Update 02 | 3.7.1 Update 01 | 3.7.1 Update 02 | 3.7.1 Update 05 | 3.9.0 Update 01 | 3.3.0 Update 01 | 3.4.1 Update 02 | 3.4.1 Update 01 | 3.5.0 Update 03 | 3.5.0 Update 01 | 3.5.0 Update 02 | 3.10.4 | 3.10.4 Update 01 | 3.10.4 Update 02 | 3.10.4 Update 03 | 3.10.5 | 3.10.6 | 3.10.6 Update 01 | 3.10.6 Update 02
- prime_infrastructure< 3.10.6 | 3.10.6 | 3.10.6:security_update_01 | 3.10.6:security_update_02
1 vendor · 2 products
References
1 links- sec.cloudapps.cisco.com/security/…Vendor Advisory