Security readout for executives and security teams
Plain-English summary
This CVE describes a critical SQL injection risk in ARC/ARC2 through 2011-12-01. An exposed application using the vulnerable SPARQL handling path could allow database compromise without authentication. The public bundle does not identify a fixed version or current exploitation.
Executive priority
Treat as urgent if ARC/ARC2 is present on internet-facing or high-trust internal applications. Prioritize asset discovery first because the public record does not provide reliable CPE matching or a named fixed version.
Technical view
ARC/ARC2 getTriplePatternSQL in ARC2_StoreSelectQueryHandler.php allows blind SQL injection through comments in a SPARQL WHERE clause. CVSS 3.1 is 9.8: network reachable, low complexity, unauthenticated, no user interaction, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely in applications embedding ARC/ARC2 store query handling, especially public or partner-facing SPARQL endpoints. The affected metadata is incomplete: vendor, product, CPEs, and fixed versions are not provided in the bundle.
Exploitation context
CISA KEV status is false, and the provided sources do not report active exploitation. The vulnerability is still high concern because the CVSS vector indicates remote unauthenticated database-impacting exploitation could be possible where vulnerable ARC/ARC2 code is reachable.
Researcher notes
The key evidence is the CVE description and the referenced advisory naming blind SQL injection in getTriplePatternSQL. Avoid assuming product packaging or exploit activity beyond the bundle. Further work should establish reachable SPARQL input paths and vendor remediation status.
Mitigation direction
- Inventory applications using ARC or ARC2 through 2011-12-01.
- Check ARC/ARC2 project guidance for a fixed release or replacement path.
- Restrict untrusted access to SPARQL endpoints until exposure is resolved.
- Review database least-privilege controls for affected application accounts.
- Monitor application and database logs for suspicious query behavior.
Validation and detection
- Search code and dependency records for ARC2_StoreSelectQueryHandler.php.
- Confirm whether ARC/ARC2 version is through 2011-12-01.
- Identify routes accepting SPARQL WHERE clauses from untrusted users.
- Verify whether vulnerable code is reachable in production deployments.
- Review logs for unusual SPARQL parsing or database error patterns.
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-2012-5872 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:U/UI: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/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ush.it/2012/11/22/arc-v2011-12-01-multiple-vulnerabilities/CVE reference
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.