Security readout for executives and security teams
Plain-English summary
CVE-2022-21299 is a Java XML-processing vulnerability that can let an unauthenticated network attacker cause partial denial of service. The business impact is availability, not data theft or code execution, based on the provided CVSS vector and Oracle description.
Executive priority
Treat as a normal-priority patching item unless affected Java services are internet-facing or business-critical. The known impact is partial service disruption, and the bundle provides no evidence of active exploitation.
Technical view
The issue affects the JAXP component in Oracle Java SE and Oracle GraalVM Enterprise Edition. Affected listed versions include Java SE 7u321, 8u311, 11.0.13, 17.0.1, and GraalVM EE 20.3.4 and 21.3.0. CWE-400 indicates resource consumption leading to partial DoS.
Likely exposure
Exposure is most likely where affected Java runtimes process untrusted data through JAXP APIs, such as XML-handling web services. Legacy sandboxed Java Web Start or applet clients that load internet-sourced code are also in scope.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. Oracle rates the issue as easily exploitable, unauthenticated, network-accessible, and possible across multiple protocols, with low availability impact only.
Researcher notes
Focus review on JAXP usage paths reachable with untrusted input and on runtime version provenance. The evidence does not support claims of confidentiality impact, integrity impact, code execution, or confirmed exploitation.
Mitigation direction
- Apply Oracle CPU or equivalent vendor Java/OpenJDK/GraalVM security updates.
- Update affected Debian, Gentoo, and other distribution Java packages per vendor advisories.
- Check NetApp advisories for impacted embedded or bundled Java components.
- Reduce exposure of services that process untrusted XML through JAXP APIs.
- Retire or isolate sandboxed Java Web Start and applet workflows where possible.
Validation and detection
- Inventory Java SE, OpenJDK, and GraalVM versions across servers and endpoints.
- Flag versions matching Oracle Java SE 7u321, 8u311, 11.0.13, or 17.0.1.
- Flag GraalVM Enterprise Edition 20.3.4 and 21.3.0 installations.
- Identify applications accepting untrusted XML or data into JAXP APIs.
- Verify vendor security updates are installed on OS packages and appliances.
Public sources used
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-400: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2022-21299 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
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L3.91.4oracleVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpujan2022.htmlCVE reference, oracle · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20220121-0007/CVE reference, oracle · x_refsource_CONFIRM
- DSA-5057CVE reference, oracle · vendor-advisory, x_refsource_DEBIAN
- DSA-5058CVE reference, oracle · vendor-advisory, x_refsource_DEBIAN
- [debian-lts-announce] 20220210 [SECURITY] [DLA 2917-1] openjdk-8 security updateCVE reference, oracle · mailing-list, x_refsource_MLIST
- GLSA-202209-05CVE reference, oracle · vendor-advisory, x_refsource_GENTOO
- https://security.netapp.com/advisory/ntap-20240621-0006/CVE reference, oracle
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.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.