Security readout for executives and security teams
Plain-English summary
CVE-1999-0938 describes a legacy MBone SDR package flaw where specially crafted SIP messages containing shell metacharacters could cause command execution. The source bundle does not identify affected versions, CVSS severity, or a named fix.
Executive priority
Treat this as a targeted legacy-technology risk, not a broad emergency based on the provided evidence. Prioritize confirming whether MBone SDR exists anywhere in the environment, then isolate or retire it if found.
Technical view
The issue is command injection in MBone SDR handling of Session Initiation Protocol messages. Remote attackers may trigger command execution through shell metacharacters in SIP message content. Available sources provide sparse metadata and no confirmed patch, affected version range, CWE, or exploitation telemetry.
Likely exposure
Likely limited to legacy systems still running MBone SDR or related session-directory tooling that processes SIP messages. The bundle lists no vendor, CPE, or affected versions, so exposure must be confirmed through local inventory rather than product matching alone.
Exploitation context
The bundle does not show CISA KEV status or any cited evidence of active exploitation. If exposed, the impact could be serious because the described weakness is remote command execution, but practical risk depends on whether this obsolete software remains deployed.
Researcher notes
Public metadata is minimal: no CVSS, CWE, affected-version range, CPE, patch reference, or exploit-status evidence is included. Analysis should avoid assumptions beyond the described SIP metacharacter command-injection behavior.
Mitigation direction
- Identify systems running MBone SDR or related legacy MBone session-directory packages.
- Restrict untrusted network access to SDR/SIP message handling services.
- Check vendor or distribution archives for historical SDR fixes or removal guidance.
- Retire, replace, or isolate unsupported MBone SDR deployments.
- Preserve evidence of version and mitigation decisions for audit tracking.
Validation and detection
- Inventory hosts for installed SDR or MBone session-directory software.
- Confirm whether identified software processes SIP messages from untrusted networks.
- Review logs for unexpected command execution around session message processing.
- Record exact package names, versions, and source repositories found.
- Validate remediation against vendor or distribution guidance when available.
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-1999-0938 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://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0938CVE 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.