Improper buffer restrictions in some Intel(R) Server Board BIOS firmware may allow a privileged user to potentially enable escalation of pri
Improper buffer restrictions in some Intel(R) Server Board BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access.
- Published
- Nov 14, 2023
- Updated
- Jun 17, 2026
- EPSS
- 0.2% · 10th percentile
- CWE
- CWE-92
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Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.7 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 6.7
- CNA · intel
- 7.9
- 1.2 point gap
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| intel | server board m70klp2sb firmware | cpe:2.3:o:intel:server_board_m70klp2sb_firmware |
| intel | server board m70klp2sb | cpe:2.3:h:intel:server_board_m70klp2sb |
| intel | server system m70klp4s2uhh firmware | cpe:2.3:o:intel:server_system_m70klp4s2uhh_firmware |
| intel | server system m70klp4s2uhh | cpe:2.3:h:intel:server_system_m70klp4s2uhh |
| intel | server board m20ntp2sb firmware | cpe:2.3:o:intel:server_board_m20ntp2sb_firmware |
| intel | server board m20ntp2sb | cpe:2.3:h:intel:server_board_m20ntp2sb |
| intel | server system m20ntp1ur304 firmware | cpe:2.3:o:intel:server_system_m20ntp1ur304_firmware |
| intel | server system m20ntp1ur304 | cpe:2.3:h:intel:server_system_m20ntp1ur304 |
| intel | server board m10jnp2sb firmware | cpe:2.3:o:intel:server_board_m10jnp2sb_firmware |
| intel | server board m10jnp2sb | cpe:2.3:h:intel:server_board_m10jnp2sb |
| intel | server board s2600bpbr firmware | cpe:2.3:o:intel:server_board_s2600bpbr_firmware |
| intel | server board s2600bpbr | cpe:2.3:h:intel:server_board_s2600bpbr |
and 54 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- intel compute module hns2600bpb firmwarebefore 02.01.0015
- intel compute module hns2600bpb24 firmwarebefore 02.01.0015
- intel compute module hns2600bpblc firmwarebefore 02.01.0015
- intel compute module hns2600bpblc24 firmwarebefore 02.01.0015
- intel compute module hns2600bpblc24r firmwarebefore 02.01.0015
- intel compute module hns2600bpblcr firmwarebefore 02.01.0015
- intel compute module hns2600bpbr firmwarebefore 02.01.0015
- intel compute module hns2600bpq firmwarebefore 02.01.0015
- intel compute module hns2600bpq24 firmwarebefore 02.01.0015
- intel compute module hns2600bpq24r firmwarebefore 02.01.0015
- intel compute module hns2600bpqr firmwarebefore 02.01.0015
- intel compute module hns2600bps firmwarebefore 02.01.0015
- intel compute module hns2600bps24 firmwarebefore 02.01.0015
- intel compute module hns2600bps24r firmwarebefore 02.01.0015
- intel compute module hns2600bpsr firmwarebefore 02.01.0015
- intel compute module liquid-cooled hns2600bpbrct firmwarebefore 02.01.0015
- intel server board m10jnp2sb firmwarebefore 7.219
- intel server board m20ntp2sb firmwarebefore 0022.d02
- intel server board m70klp2sb firmwarebefore 01.04.0022
- intel server board s2600bpb firmwarebefore 02.01.0015
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 Board BIOS firmware
- See referencesaffected
Same product
intel: all recordsOther highest-scoring records for the same primary product.
- CVE-2024-39609Improper Access Control in UEFI firmware for some Intel(R) Server Board M70KLP may allow a privileged user to potentially enable escalation 34Monitor
- CVE-2023-34431Improper input validation in some Intel(R) Server Board BIOS firmware may allow a privileged user to potentially enable escalation of privil26Monitor
- CVE-2022-33945Improper input validation in some Intel(R) Server board and Intel(R) Server System BIOS firmware may allow a privileged user to potentially 26Monitor
- CVE-2022-24379Improper input validation in some Intel(R) Server System M70KLP Family BIOS firmware before version 01.04.0029 may allow a privileged user t26Monitor
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.
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 researchersFinders, 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.
- Administrator privileges are required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-92 · DEPRECATED: Improper Sanitization of Custom Special CharactersCVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/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.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange 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.