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CVE-2020-24475· NVD / CVE Program· CNA intel

Improper initialization in the BMC firmware for some Intel(R) Server Boards, Server Systems and Compute Modules before version 2.48.ce3e3bd2

Improper initialization in the BMC firmware for some Intel(R) Server Boards, Server Systems and Compute Modules before version 2.48.ce3e3bd2 may allow an authenticated user to potentially enable denial of service via local access.

MediumCVSS 5.5 · v3.1—No exploit No fix recorded

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Published
Jun 9, 2021
Updated
Jun 16, 2026
EPSS
0.2% · 11th percentile
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Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Affected systems

VendorProduct
intelbaseboard management controller firmware
intelcompute module hns2600bpb24r
intelcompute module hns2600bpbr
intelcompute module hns2600bpq24r
intelcompute module hns2600bpqr
intelcompute module hns2600bps24r
intelcompute module hns2600bpsr
intelserver board s2600bpb
intelserver board s2600bpbr
intelserver board s2600bpq
intelserver board s2600bpqr
intelserver board s2600bps

and 34 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • intel baseboard management controller firmwarebefore 2.48.ce3e3bd2

Versions reported by the vendor

Affected version ranges reported by the assigning authority (intel). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a Intel(R) Server Boards, Server Systems and Compute Modules

    • before version 2.48.ce3e3bd2affected

Same product

intel: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-11171Heap corruption in Intel(R) Baseboard Management Controller firmware may allow an unauthenticated user to potentially enable information dis
    39Monitor
  • CVE-2019-11168Insufficient session validation in Intel(R) Baseboard Management Controller firmware may allow an unauthenticated user to potentially enable
    36Monitor
  • CVE-2020-24474Buffer overflow in the BMC firmware for some Intel(R) Server Boards, Server Systems and Compute Modules before version 2.48.ce3e3bd2 may all
    32Monitor
  • CVE-2019-11178Stack overflow in Intel(R) Baseboard Management Controller firmware may allow an authenticated user to potentially enable information disclo
    32Monitor
  • CVE-2020-24473Out of bounds write in the BMC firmware for some Intel(R) Server Boards, Server Systems and Compute Modules before version 2.48.ce3e3bd2 may
    31Monitor
  • CVE-2019-11181Out of bound read in Intel(R) Baseboard Management Controller firmware may allow an unauthenticated user to potentially enable escalation of
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-665 · Improper Initialization

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records