Sensitive log disclosure via unchecked download authorization
Published May 6, 2026 · Updated May 6, 2026
Missing authorization in Cisco Prime Infrastructure before 3.10.6 Security Update 3 allows remote authenticated users to read sensitive logs. The log file download service API accepts a crafted URL request and returns arbitrary server log files without verifying that the authenticated account is authorized for the requested file. Valid web-management credentials are required; the demonstrated consequence is disclosure of otherwise inaccessible log content, with no reported write or service-interruption capability.
Summary
What happened
Missing authorization in Cisco Prime Infrastructure before 3.10.6 Security Update 3 allows remote authenticated users to read sensitive logs. The log file download service API accepts a crafted URL request and returns arbitrary server log files without verifying that the authenticated account is authorized for the requested file. Valid web-management credentials are required; the demonstrated consequence is disclosure of otherwise inaccessible log content, with no reported write or service-interruption capability.
The record
- CVE
- CVE-2026-20189
- Published
- May 6, 2026
- Updated
- May 6, 2026
- Vendor
- ClamAV
- Product
- Cisco Prime Infrastructure
- Classifications
- CWE-862, T1005
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- May 6, 2026CVE publishedPublication date reported by the CVE source.
- May 6, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=3.10
- Affected versionversion=3.10.0
- Affected versionversion=3.10.1
- Affected versionversion=3.10.2
- Affected versionversion=3.10.3
- Affected versionversion=3.10.4
- Affected versionversion=3.10.4 Update 01
- Affected versionversion=3.10.4 Update 02
- Affected versionversion=3.10.4 Update 03
- Affected versionversion=3.10.5
- Affected versionversion=3.10.6
- Affected versionversion=3.10.6 Update 01
- Affected versionversion=3.10.6 Update 02
- Affected versionversion=3.10 Update 01
- Affected versionversion=3.2.0-FIPS
- Affected versionversion=3.2.1
- Affected versionversion=3.2.2
- Affected versionversion=3.3.0
- Affected versionversion=3.3.0 Update 01
- Affected versionversion=3.3.1
- Affected versionversion=3.4.0
- Affected versionversion=3.4.1
- Affected versionversion=3.4.1 Update 01
- Affected versionversion=3.4.1 Update 02
- Affected versionversion=3.4.2
- Affected versionversion=3.4.2 Update 01
- Affected versionversion=3.5.0
- Affected versionversion=3.5.0 Update 01
- Affected versionversion=3.5.0 Update 02
- Affected versionversion=3.5.0 Update 03
- Affected versionversion=3.5.1
- Affected versionversion=3.5.1 Update 01
- Affected versionversion=3.5.1 Update 02
- Affected versionversion=3.5.1 Update 03
- Affected versionversion=3.6.0
- Affected versionversion=3.6.0 Update 01
- Affected versionversion=3.6.0 Update 02
- Affected versionversion=3.6.0 Update 03
- Affected versionversion=3.6.0 Update 04
- Affected versionversion=3.7.0
- Affected versionversion=3.7.0 Update 03
- Affected versionversion=3.7.1
- Affected versionversion=3.7.1 Update 01
- Affected versionversion=3.7.1 Update 02
- Affected versionversion=3.7.1 Update 03
- Affected versionversion=3.7.1 Update 04
- Affected versionversion=3.7.1 Update 05
- Affected versionversion=3.7.1 Update 06
- Affected versionversion=3.7.1 Update 07
- Affected versionversion=3.8.0
- Affected versionversion=3.8.0-FED
- Affected versionversion=3.8.0 Update 01
- Affected versionversion=3.8.0 Update 02
- Affected versionversion=3.8.1
- Affected versionversion=3.8.1 Update 01
- Affected versionversion=3.8.1 Update 02
- Affected versionversion=3.8.1 Update 03
- Affected versionversion=3.8.1 Update 04
- Affected versionversion=3.9.0
- Affected versionversion=3.9.0 Update 01
- Affected versionversion=3.9.1
- Affected versionversion=3.9.1 Update 01
- Affected versionversion=3.9.1 Update 02
- Affected versionversion=3.9.1 Update 03
- Affected versionversion=3.9.1 Update 04
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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