Cyber Resilience

CVE-2023-2992

DoS in Lenovo Nextscale N1200 Enclosure Firmware ≤ fhet60b-3.40

Published
26 June 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 7.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0062 46th percentile
Risk Priority 58 floored blend · peak EPSS

Summary

CVE-2023-2992 is a high-severity Amplification (CWE-405) vulnerability in Lenovo Nextscale N1200 Enclosure Firmware. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Network Denial of Service (T1498); ranked at the 46th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

An unauthenticated  denial of service vulnerability exists in the SMM v1, SMM v2, and FPC management web server which can be triggered under crafted conditions. Rebooting SMM or FPC will restore access to the management web server.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1498 Network Denial of Service Impact
Adversaries may perform Network Denial of Service (DoS) attacks to degrade or block the availability of targeted resources to users.
T1499.002 Service Exhaustion Flood Impact
Adversaries may target the different network services provided by systems to conduct a denial of service (DoS).
T1499.003 Application Exhaustion Flood Impact
Adversaries may target resource intensive features of applications to cause a denial of service (DoS), denying availability to those applications.
T1498.002 Reflection Amplification Impact
Adversaries may attempt to cause a denial of service (DoS) by reflecting a high-volume of network traffic to a target.
T1499 Endpoint Denial of Service Impact
Adversaries may perform Endpoint Denial of Service (DoS) attacks to degrade or block the availability of services to users.
T1499.001 OS Exhaustion Flood Impact
Adversaries may launch a denial of service (DoS) attack targeting an endpoint's operating system (OS).
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-2993Same product: Lenovo Nextscale N1200 Enclosure
CVE-2023-6450Same vendor: Lenovo
CVE-2025-22166Shared CWE-405
CVE-2026-35626Shared CWE-405
CVE-2026-35665Shared CWE-405
CVE-2025-42874Shared CWE-405
CVE-2025-42873Shared CWE-405
CVE-2025-46598Shared CWE-405
CVE-2025-66564Shared CWE-405
CVE-2025-53633Shared CWE-405

Affected Assets

lenovo
nextscale n1200 enclosure firmware
≤ fhet60b-3.40
lenovo
thinkagile cp-cb-10 firmware
≤ tesm38c-1.26
lenovo
thinkagile cp-cb-10e firmware
≤ tesm38c-1.26
lenovo
thinkagile hx enclosure certified node firmware
≤ tesm38c-1.26
lenovo
thinkagile vx enclosure firmware
≤ tesm38c-1.26
lenovo
thinksystem d2 enclosure firmware
≤ tesm38c-1.26
lenovo
thinksystem da240 enclosure firmware
≤ umsm10s-1.07
lenovo
thinksystem dw612 enclosure firmware
≤ umsm10s-1.07

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)
  • 6 hardening rules · 3 OS baselines
Validate
Prove the fix (OWASP ASVS)

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-405

Reduces impact of amplification attacks that overwhelm the primary site by allowing operations to shift to an equivalent alternate site.

addresses: CWE-405

Alternate services reduce the impact of amplification attacks that exhaust primary telecommunications resources.

addresses: CWE-405

Amplification attacks that exhaust the primary path are mitigated by the existence of an independent alternate path for command traffic.

addresses: CWE-405

Employs controls that mitigate amplification attacks causing asymmetric resource use.

addresses: CWE-405

Limits amplification effects by controlling how resources are allocated under high-volume or recursive load.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.IR-03 mostly match
prevents

Resilience mechanisms such as rate limiting and load balancing directly constrain asymmetric resource use.

PR.IR-04 mostly match
prevents

Capacity planning and monitoring maintain availability headroom against amplification attacks.

DE.CM-01 partial match
prevents

Network monitoring detects amplification traffic patterns but does not itself limit asymmetric consumption.

DE.CM-09 partial match
prevents

Runtime resource monitoring can surface excessive consumption yet does not enforce authorization or work proofs.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

mitigates

Stress-testing and demand-reduction tactics (e.g., bandwidth throttling) blunt amplification vectors that would otherwise let an attacker multiply resource consumption through a single request.

Hardening callouts derived

Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (authoritative rows only; rows rated `none` are excluded).

Oracle Linux 8 (2 rules)
  • V-248553 OL 8 must be configured so that all network connections associated with SSH traffic are terminated after 10 minutes of becoming unresponsive. prevents CWE-405
  • V-248552 OL 8 must be configured so that all network connections associated with SSH traffic terminate after becoming unresponsive. prevents CWE-405
Oracle Linux 9 (2 rules)
  • V-271709 OL 9 must be configured so that all network connections associated with SSH traffic terminate after becoming unresponsive. prevents CWE-405
  • V-271710 OL 9 must be configured so that all network connections associated with SSH traffic are terminated after 10 minutes of becoming unresponsive. prevents CWE-405
RHEL 8 (2 rules)
  • V-230244 RHEL 8 must be configured so that all network connections associated with SSH traffic terminate after becoming unresponsive. prevents CWE-405
  • V-244525 RHEL 8 must be configured so that all network connections associated with SSH traffic are terminated after 10 minutes of becoming unresponsive. prevents CWE-405

References