CVE-2023-42795 (GCVE-0-2023-42795)

Vulnerability from cvelistv5 – Published: 2023-10-10 17:42 – Updated: 2025-10-29 12:02
VLAI
Title
Apache Tomcat: Failure during request clean-up leads to sensitive data leaking to subsequent requests
Summary
Incomplete Cleanup vulnerability in Apache Tomcat.When recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Tomcat Affected: 11.0.0-M1 , ≤ 11.0.0-M11 (semver)
Affected: 10.1.0-M1 , ≤ 10.1.13 (semver)
Affected: 9.0.0-M1 , ≤ 9.0.80 (semver)
Affected: 8.5.0 , ≤ 8.5.93 (semver)
Unknown: 3 , < 8.5.0 (semver)
Unknown: 10.0.0-M1 , ≤ 10.0.27 (semver)
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apache accumulo Affected: 11.0.0-m1
Affected: 10.10-m1 , ≤ 10.1.13 (semver)
Affected: 9.0.0-m1 , ≤ 9.0.80 (semver)
Affected: 8.5.0 , ≤ 8.5.93 (semver)
    cpe:2.3:a:apache:accumulo:-:*:*:*:*:*:*:*
 Create a notification for this product.
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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.