Security readout for executives and security teams
Plain-English summary
Some Supermicro server management controllers shipped with hardcoded WSMan credentials. If vulnerable IPMI firmware is reachable, an attacker may be able to access out-of-band server management without knowing site-specific passwords. This affects older Supermicro X8 and X9 motherboard generations before the fixed firmware named in the CVE record.
Executive priority
Treat this as a priority legacy-infrastructure risk. The issue affects out-of-band server management, which can have high operational impact if exposed. Prioritize internet-facing or broadly reachable IPMI systems first, then complete firmware verification across older Supermicro fleets.
Technical view
CVE-2013-3620 concerns hardcoded WSMan credentials in Supermicro IPMI firmware for X9 generation motherboards before 3.15 (SMT_X9_315) and X8 generation motherboards before SMT X8 312. The bundle provides no CVSS score, CWE, exploit details, or confirmed active exploitation evidence.
Likely exposure
Exposure is most likely in environments still running Supermicro X8 or X9 IPMI firmware below the fixed versions. Risk is higher where IPMI or WSMan management interfaces are reachable from untrusted networks, shared management networks, or the internet.
Exploitation context
The CVE is not listed as KEV in the provided bundle. Public references include Supermicro guidance, Citrix advisory material, Rapid7 discussion, and IBM X-Force, but the bundle does not provide evidence of active exploitation or safe exploitability details.
Researcher notes
The source bundle identifies affected generations and fixed firmware thresholds, but does not include CVSS, CWE, exploit primitives, or complete vendor remediation text. Avoid assuming all Supermicro IPMI versions are affected; scope validation to X8 and X9 firmware versions named in the CVE.
Mitigation direction
- Inventory Supermicro X8 and X9 systems with IPMI enabled.
- Compare IPMI firmware versions against SMT_X9_315 and SMT X8 312.
- Update affected IPMI firmware using vendor guidance.
- Restrict IPMI and WSMan access to trusted management networks.
- Review vendor advisories for product-specific remediation details.
Validation and detection
- Identify motherboard generation and current IPMI firmware version.
- Confirm whether WSMan is enabled or reachable on management networks.
- Check firewall rules for IPMI exposure from untrusted networks.
- Verify upgraded systems report fixed or later firmware versions.
- Review logs for unexpected management-interface access where 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-2013-3620 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://support.citrix.com/article/CTX216642CVE reference · x_refsource_CONFIRM
- https://community.rapid7.com/community/metasploit/blog/2013/11/05/supermicro-ipmi-firmware-vulnerabilitiesCVE reference · x_refsource_MISC
- https://exchange.xforce.ibmcloud.com/vulnerabilities/89045CVE reference · x_refsource_MISC
- https://www.supermicro.com/products/nfo/files/IPMI/CVE_Update.pdfCVE reference · x_refsource_CONFIRM
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.