Cross-request information disclosure via failed object recycling
Published Oct 10, 2023 · Updated Oct 29, 2025
Incomplete cleanup in affected Apache Tomcat releases allows remote attackers to read data retained from a preceding request or response. Exceptions from part deletion or session end-access could abort recycle methods before later request and response fields were cleared for reuse. No authentication or user interaction is required, but disclosure depends on a cleanup exception and a later request reusing the uncleared object.
Summary
What happened
Incomplete cleanup in affected Apache Tomcat releases allows remote attackers to read data retained from a preceding request or response. Exceptions from part deletion or session end-access could abort recycle methods before later request and response fields were cleared for reuse. No authentication or user interaction is required, but disclosure depends on a cleanup exception and a later request reusing the uncleared object.
The record
- CVE
- CVE-2023-42795
- Published
- Oct 10, 2023
- Updated
- Oct 29, 2025
- Vendor
- The Apache Software Foundation
- Product
- Apache Accumulo
- Classifications
- CWE-459, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Oct 10, 2023CVE publishedPublication date reported by the CVE source.
- Oct 29, 2025Record 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=10.10-m1 <=10.1.13
- Affected versionversion=11.0.0-m1
- Affected versionversion=8.5.0 <=8.5.93
- Affected versionversion=9.0.0-m1 <=9.0.80
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.
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Technologies
Your stack
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Your stack
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