Security readout for executives and security teams
Plain-English summary
IBM OpenPages with Watson 8.1 and 8.2 has a high-severity flaw where an authenticated user could upload a file that executes arbitrary code on the server. For executives, the key issue is that a normal valid account may become a path to full system compromise if affected systems remain unremediated.
Executive priority
Treat as a near-term remediation item for any affected OpenPages deployment. The issue can affect confidentiality, integrity, and availability, but current source evidence does not support claiming active exploitation.
Technical view
CVE-2021-29907 is an authenticated file-upload code execution vulnerability in IBM OpenPages with Watson 8.1 and 8.2. The CVSS 3.0 score is 8.8, with network attack vector, low complexity, low privileges required, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to organizations running IBM OpenPages with Watson 8.1 or 8.2. Risk is higher where the application is network-reachable and many users have authenticated access or file-upload capability.
Exploitation context
The supplied sources do not show CISA KEV listing or confirmed active exploitation. The CVSS exploit code maturity is listed as unproven. Authentication is required, but the privilege requirement is low, so compromised or low-trust accounts matter.
Researcher notes
The public bundle identifies IBM X-Force ID 207633 and affected versions 8.1 and 8.2 only. No CWE, exploit details, or exact patched version are included here. Avoid expanding affected scope beyond IBM OpenPages with Watson 8.1 and 8.2.
Mitigation direction
- Identify all IBM OpenPages with Watson 8.1 and 8.2 instances.
- Review IBM advisory 6483607 for the exact supported remediation.
- Apply IBM-recommended fixes or upgrades; do not infer version targets from secondary sources.
- Restrict file-upload permissions to trusted roles until remediation is complete.
- Monitor upload paths and application logs for suspicious files or execution indicators.
Validation and detection
- Confirm product version and build for each OpenPages deployment.
- Verify whether IBM’s advisory remediation has been applied on every affected instance.
- Review roles and groups allowed to upload files in OpenPages.
- Check recent upload and server logs for unusual filenames, failures, or execution events.
- Document any compensating access controls if immediate remediation is delayed.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-29907 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
- 8.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/UI:N/A:H/I:H/PR:L/S:U/C:H/RC:C/E:U/RL:O
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:3.0/AV:N/AC:L/UI:N/A:H/I:H/PR:L/S:U/C:H/RC:C/E:U/RL:O2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.8HighVector: CVSS:3.0/AV:N/AC:L/UI:N/A:H/I:H/PR:L/S:U/C:H/RC:C/E:U/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6483607CVE reference · x_refsource_CONFIRM
- ibm-openpages-cve202129907-code-exec (207633)CVE reference · vdb-entry, x_refsource_XF
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.
