Security readout for executives and security teams
Plain-English summary
This vulnerability affects Oracle PeopleSoft HCM Candidate Gateway 9.2. An attacker who can reach the service over HTTP may alter or read some Candidate Gateway data without logging in. The business concern is data integrity and limited confidentiality exposure in recruiting workflows, not system takeover or outage based on the supplied CVSS impacts.
Executive priority
Treat this as a near-term remediation item for any exposed PeopleSoft recruiting portal. It is not marked as known exploited in the supplied data, but unauthenticated HTTP reachability and data modification capability create meaningful business risk.
Technical view
CVE-2021-2404 is in the PeopleSoft Enterprise HCM Candidate Gateway e-mail notification component. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N. The source states unauthenticated HTTP access can compromise Candidate Gateway, allowing limited read access and unauthorized update, insert, or delete access to some accessible data.
Likely exposure
Exposure is most likely where Oracle PeopleSoft Enterprise HCM Candidate Gateway 9.2 is deployed and reachable over HTTP, especially from untrusted networks. The source bundle does not identify other affected versions or products.
Exploitation context
The CVE states exploitation is easy, unauthenticated, network-accessible via HTTP, and requires no user interaction. The source bundle marks KEV as false and provides no cited evidence of active exploitation.
Researcher notes
The public bundle provides product, version, component, impact, CVSS, and Oracle advisory reference, but no CWE, root-cause detail, proof of concept, or named workaround. Do not assume broader PeopleSoft exposure beyond Candidate Gateway 9.2 from these sources.
Mitigation direction
- Review Oracle's July 2021 Critical Patch Update for the exact PeopleSoft HCM Candidate Gateway fix.
- Apply the vendor-provided PeopleSoft update or mitigation identified by Oracle guidance.
- Limit HTTP access to Candidate Gateway from untrusted networks where business processes allow.
- Monitor Candidate Gateway data for unexpected reads, inserts, updates, or deletions.
- Prioritize remediation for internet-facing recruiting portals.
Validation and detection
- Confirm whether PeopleSoft Enterprise HCM Candidate Gateway 9.2 is present.
- Identify whether the Candidate Gateway e-mail notification component is enabled or exposed.
- Check Oracle patch records against the July 2021 Critical Patch Update guidance.
- Review HTTP access logs for unauthenticated requests to Candidate Gateway paths.
- Check recruiting data for unexplained modifications around suspected exposure windows.
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-2021-2404 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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:L/I:L/A:N3.92.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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.