Security readout for executives and security teams
Plain-English summary
This is an old Distributed Ruby 1.8 issue with a sparse public record. Business urgency depends on whether legacy Ruby systems still use DRuby. The provided sources do not name a CVSS score, vendor patch, or active exploitation.
Executive priority
Treat this as a legacy exposure question, not a confirmed emergency from the provided evidence. Prioritize inventory and retirement of unsupported Ruby 1.8 systems, especially if reachable by untrusted users.
Technical view
CVE-2011-5330 states that Distributed Ruby, aka DRuby, 1.8 mishandles the sending of syscalls. The record includes no CWE, CPE, CVSS vector, or fixed-version detail. A public Exploit-DB reference exists, but KEV is false.
Likely exposure
Most likely exposure is legacy Ruby 1.8 applications or services using DRuby. The source bundle does not identify specific vendors, packages, operating systems, or CPEs.
Exploitation context
A public Exploit-DB reference is listed, indicating historical exploit-related material exists. The provided sources do not establish active exploitation, exploitation at scale, or inclusion in CISA KEV.
Researcher notes
The record is unusually thin: no CVSS, CWE, CPE, vendor advisory, or fix details are present in the bundle. Avoid broad claims beyond DRuby 1.8 unless confirmed by vendor or distribution advisories.
Mitigation direction
- Inventory Ruby 1.8 and DRuby usage across applications and hosts.
- Check Ruby or distribution vendor guidance for supported upgrade or patch paths.
- Remove or replace unsupported DRuby 1.8 dependencies where feasible.
- Restrict DRuby services to trusted networks until remediation is confirmed.
Validation and detection
- Search asset inventory for Ruby 1.8 runtimes and DRuby service usage.
- Review application dependency manifests for DRuby-related libraries.
- Check network exposure for DRuby services reachable from untrusted networks.
- Document whether vendor guidance identifies a fixed version or migration path.
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-2011-5330 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.exploit-db.com/exploits/17031CVE 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.