Security readout for executives and security teams
This Tomcat flaw could expose JSP source code when Tomcat serves resources from a network location backed by NTFS. Source disclosure can reveal application logic, credentials, or internal paths. The evidence points to a configuration-dependent issue, not a broadly exploitable default condition. Most exposure is likely in Windows or Windows-adjacent deployments where Tomcat serves web resources from an NTFS network location. Standard local deployments may not match the vulnerable condition. Treat this as a targeted configuration risk. Prioritize internet-facing or sensitive Tomcat applications on Windows/NTFS network storage, especially where JSPs may contain credentials or business-sensitive logic. Mitigation focus: Identify Tomcat versions in use and compare them against the affected ranges.; Upgrade Tomcat to a version outside the affected ranges, following Apache or vendor guidance.; Prioritize systems serving resources from NTFS network locations..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-24122 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://lists.apache.org/thread.html/r1595889b083e05986f42b944dc43060d6b083022260b6ea64d2cec52%40%3Cannounce.tomcat.apache.org%3ECVE reference · x_refsource_MISC
- [tomcat-dev] 20210114 svn commit: r1885488 - in /tomcat/site/trunk: docs/security-10.html docs/security-7.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-7.xml xdocs/security-8.xml xdocs/security-9.xmlCVE reference · mailing-list, x_refsource_MLIST
- [tomee-dev] 20210114 Re: Releases?CVE reference · mailing-list, x_refsource_MLIST
- [announce] 20210114 [SECURITY] CVE-2021-24122 Apache Tomcat Information DisclosureCVE reference · mailing-list, x_refsource_MLIST
- [tomcat-dev] 20210114 [SECURITY] CVE-2021-24122 Apache Tomcat Information DisclosureCVE reference · mailing-list, x_refsource_MLIST
- [tomcat-users] 20210114 [SECURITY] CVE-2021-24122 Apache Tomcat Information DisclosureCVE reference · mailing-list, x_refsource_MLIST
- [tomee-dev] 20210115 CVE-2021-24122 NTFS Information Disclosure BugCVE reference · mailing-list, x_refsource_MLIST
- [debian-lts-announce] 20210316 [SECURITY] [DLA 2596-1] tomcat8 security updateCVE reference · mailing-list, x_refsource_MLIST
- https://www.oracle.com//security-alerts/cpujul2021.htmlCVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210212-0008/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.