Security readout for executives and security teams
Plain-English summary
WebPA 3.1.0 and 3.1.1 contain a SQL injection vulnerability. An attacker with adjacent network access and low privileges could potentially affect data confidentiality, integrity, or availability. The cited fix is WebPA 3.1.2.
Executive priority
Treat this as a bounded but real data-risk issue. Prioritize upgrade during the next remediation cycle, faster if WebPA is used in sensitive environments or reachable from less-trusted internal networks.
Technical view
CVE-2021-4308 is classified as CWE-89 SQL injection. The source bundle does not identify the exact vulnerable processing path, but references GitHub PR #87, patch commit 8836c4f, and release v3.1.2 as the remediation.
Likely exposure
Exposure is limited to organizations running WebPA versions 3.1.0 or 3.1.1. CVSS indicates adjacent network attack requirements and low privileges, so internet-wide unauthenticated exposure is not supported by the provided evidence.
Exploitation context
The source bundle does not cite active exploitation, and KEV status is false. Public vulnerability and patch references exist, but the bundle does not provide exploit details or identify a vulnerable endpoint.
Researcher notes
Evidence is strong for affected versions and the fixed release, but incomplete for vulnerable code path, exploit availability, and real-world abuse. Avoid assuming broader product impact beyond WebPA 3.1.0 and 3.1.1.
Mitigation direction
- Upgrade WebPA 3.1.0 or 3.1.1 to WebPA 3.1.2.
- Verify the deployed build includes patch commit 8836c4f549181e885a68e0e7ca561fdbcbd04bf0.
- Prioritize environments where WebPA is reachable from shared or adjacent networks.
- Monitor WebPA and VulDB references for any updated vendor guidance.
Validation and detection
- Inventory WebPA deployments and record installed versions.
- Confirm no production instance remains on WebPA 3.1.0 or 3.1.1.
- Review deployment manifests or release artifacts for WebPA v3.1.2.
- Check access paths to WebPA from adjacent network segments.
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-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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 lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-4308 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
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/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.
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:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L2.13.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://vuldb.com/?id.217637CVE reference · vdb-entry, technical-description
- https://vuldb.com/?ctiid.217637CVE reference · signature, permissions-required
- https://github.com/WebPA/WebPA/pull/87CVE reference · issue-tracking
- https://github.com/WebPA/WebPA/commit/8836c4f549181e885a68e0e7ca561fdbcbd04bf0CVE reference · patch
- https://github.com/WebPA/WebPA/releases/tag/v3.1.2CVE reference · patch
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.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.