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CVE-2024-2011· NVD / CVE Program· CNA Hitachi Energy

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

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

CriticalCVSS 9.8 · v3.1—No exploit No fix recorded
Published
Jun 11, 2024
Updated
Jun 17, 2026
EPSS
0.5% · 38th percentile
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Report tools

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Action score

39

Monitor

Low priority for now.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
9.8
CNA · Hitachi Energy
8.6
1.2 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
hitachienergyfoxman-un
hitachienergyunem

Affected versions

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

  • hitachienergy foxman-unr15a
  • hitachienergy foxman-unr15b
  • hitachienergy foxman-unr16a
  • hitachienergy foxman-unr16b
  • hitachienergy unemr15a
  • hitachienergy unemr15b
  • hitachienergy unemr16a
  • hitachienergy unemr16b

Versions reported by the vendor

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

  • Hitachi Energy FOXMAN-UN

    • FOXMAN-UN R16B PC5not affected
    • FOXMAN-UN R16B PC2, FOXMAN-UN R15B PC4, FOXMAN-UN R16A, FOXMAN-UN R15Aaffected
    • FOXMAN-UN R16B PC3 and later · up to and including FOXMAN-UN R16B PC4not affected

  • Hitachi Energy UNEM

    • UNEM R16B PC5not affected
    • UNEM R16B PC2, UNEM R15B PC4, UNEM R16A, UNEM R15Aaffected
    • UNEM R16B PC3 and later · up to and including UNEM R16B PC4not affected

Same product

hitachienergy: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-2013An authentication bypass vulnerability exists in the FOXMAN-UN/UNEM server / API Gateway component that if exploited allows attackers withou
    40Plan
  • CVE-2024-2012vulnerability exists in the FOXMAN-UN/UNEM server / API Gateway that if exploited an attacker could use to allow unintended commands or cod
    39Monitor
  • CVE-2022-3929Communication between the client and server partially using CORBA over TCP/IP
    39Monitor
  • CVE-2022-3927The affected products store public and private key that are used to sign and protect custom parameter set files from modification.
    39Monitor
  • CVE-2021-40342Use of default key for encryption
    39Monitor
  • CVE-2024-28020A user/password reuse vulnerability exists in the FOXMAN-UN/UNEM application and server management.
    32Monitor

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

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is 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
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-122 · Heap-based Buffer Overflow

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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.

ATT&CK techniques

—

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 help

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