Security readout for executives and security teams
Plain-English summary
This is a denial-of-service vulnerability in Oracle Outside In Technology 8.5.5. If an exposed application sends network-received data into Outside In filters, an unauthenticated attacker could cause hangs or repeatable crashes. The direct business risk is service disruption, not data theft or data alteration based on the supplied sources.
Executive priority
Prioritize remediation for internet-facing or business-critical services that process user-supplied files or content through Outside In. The known impact is availability loss, so urgency should track service criticality and exposure to unauthenticated network input.
Technical view
CVE-2021-2419 affects Oracle Outside In Technology 8.5.5, component Outside In Filters. CVSS 3.1 is 7.5: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Oracle notes Outside In is an SDK suite, so real exposure depends on how consuming software receives and passes data to it.
Likely exposure
Exposure is most likely where applications embed Oracle Outside In Technology 8.5.5 and process untrusted content received over HTTP or other network paths. If data is only local or strongly gated before reaching Outside In, the practical score may be lower per Oracle’s note.
Exploitation context
The source says the vulnerability is easily exploitable by an unauthenticated network attacker via HTTP. However, the bundle provides no KEV listing and no cited evidence of active exploitation. Treat exploit status as unconfirmed while prioritizing availability-sensitive services.
Researcher notes
The record does not provide a CWE, root-cause detail, exploit artifacts, or downstream affected application list. The CVSS score assumes network data is passed directly to Outside In; researchers should validate the embedding application’s data flow before assigning environment-specific risk.
Mitigation direction
- Review Oracle’s July 2021 Critical Patch Update guidance for Outside In Technology.
- Apply applicable Oracle updates or vendor-supplied fixes for products embedding Outside In.
- Inventory applications that use Oracle Outside In Technology 8.5.5.
- Limit unauthenticated network paths that pass content into Outside In filters.
- Add monitoring for repeated crashes, hangs, and availability degradation.
Validation and detection
- Confirm whether Oracle Outside In Technology 8.5.5 is present in your environment.
- Map which applications pass HTTP-received data into Outside In filters.
- Verify patched or updated component versions against Oracle or application vendor guidance.
- Review service logs for repeated crashes, hangs, or abnormal restart patterns.
- Check whether compensating controls restrict untrusted file or content processing.
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.
CVE-2021-2419 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
- High
- CVSS
- 7.5 (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:H
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 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:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpujul2021.htmlCVE reference · x_refsource_MISC
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.