Security readout for executives and security teams
Plain-English summary
CVE-2021-2258 affects Oracle Projects in Oracle E-Business Suite. A low-privileged user who can reach the application over HTTP could gain unauthorized access to important Projects data and alter it. The main business risk is loss of confidentiality and integrity in project-related records, not service outage.
Executive priority
Treat this as a high-priority remediation item for affected Oracle Projects environments because it can expose or alter critical project data. Prioritize systems reachable by many users, internet-facing paths, or environments holding sensitive project, financial, or operational records.
Technical view
Oracle describes this as an easily exploitable User Interface vulnerability in Oracle Projects. A network-adjacent authenticated attacker with low privileges can exploit it over HTTP without user interaction. Affected versions are 12.1.1-12.1.3 and 12.2.3-12.2.10. CVSS 3.1 is 8.1 with high confidentiality and integrity impact.
Likely exposure
Exposure is limited to organizations running Oracle E-Business Suite with Oracle Projects enabled on the affected versions, especially where HTTP access is reachable by broad internal or external user populations. The source bundle does not identify affected CPEs or deployment-specific prerequisites beyond low privilege and network access via HTTP.
Exploitation context
The source bundle reports KEV status as false and provides no cited evidence of active exploitation. The CVSS vector indicates exploitation is low complexity, remote over the network, requires low privileges, and needs no user interaction. No exploit technique details are provided here.
Researcher notes
No CWE is provided in the source bundle. Analysis should stay close to Oracle's advisory language: User Interface component, authenticated low-privilege HTTP attack path, confidentiality and integrity impact, no availability impact. Evidence is insufficient to claim active exploitation or a specific exploit method.
Mitigation direction
- Review Oracle's April 2021 Critical Patch Update guidance for CVE-2021-2258.
- Apply the relevant Oracle E-Business Suite and Oracle Projects fixes where applicable.
- Restrict HTTP access to Oracle Projects to required users and trusted networks.
- Review low-privilege Oracle Projects accounts for excessive access.
- Check vendor guidance before applying compensating controls not documented by Oracle.
Validation and detection
- Inventory Oracle E-Business Suite instances and identify Oracle Projects usage.
- Confirm whether versions fall within 12.1.1-12.1.3 or 12.2.3-12.2.10.
- Verify patch status against Oracle's April 2021 Critical Patch Update.
- Review application access paths exposing Oracle Projects over HTTP.
- Check audit logs for unauthorized project data reads or modifications.
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-2021-2258 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
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:L/UI:N/S:U/C:H/I:H/A:N2.85.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpuapr2021.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.