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Fencer Vulns
high 8.6

CVE-2024-2011 json

A heap-based buffer overflow vulnerability exists in the FOXMAN-UN/UNEM that if exploited will generally lead to a denial of service but ca…

published 2024-06-11 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-26981

cvss
8.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

A heap-based buffer overflow vulnerability exists in the FOXMAN-UN/UNEM that if exploited will generally lead to a denial of service but can be used to execute arbitrary code, which is usually outside the scope of a program's implicit security policy

Patch / fix

  • Hitachi Energy FOXMAN-UN FOXMAN-UN R16B PC3, FOXMAN-UN R16B PC5
  • Hitachi Energy UNEM UNEM R16B PC3, UNEM R16B PC5
  • hitachi_energy foxman-un FOXMAN-UN R16B PC3, FOXMAN-UN R16B PC5
  • hitachi_energy unem UNEM R16B PC3, UNEM R16B PC5

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-014-01 updated cvss 8.6

Hitachi Energy FOXMAN-UN

  • Hitachi Energy FOXMAN-UN R16B_PC2, R15B_PC4, R16A, R15A
    affected: vendor fix, no fix planned
  • Hitachi Energy FOXMAN-UN R16B_PC3, R15B_PC5
    fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

cisa ICSA-25-030-01 updated cvss 8.6

Hitachi Energy UNEM

  • Hitachi Energy UNEM R16B_PC2, R15B_PC4, R16A, R15A
    affected: vendor fix, no fix planned
  • Hitachi Energy UNEM R16B_PC3, R15B_PC5
    fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Hitachi Energy FOXMAN-UN
  • Hitachi Energy UNEM
  • hitachi_energy foxman-un
  • hitachi_energy unem

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.