CVE-2025-69421

HIGH

View CSAF Summary Hitachi Energy is aware of vulnerabilities that affect RTU500 product versions listed in this document. If exploited, these vulnerabilities primarily impact product availability, ...

Affects 1 product across 3 vendors.

BCS5.47
CVSS 3.17.5
EPSS0.8%
Percentile54th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, no confidentiality impact, no integrity impact, full availability impact.
CWE Weakness Definitions
CWE-476: NULL Pointer Dereference

Software attempts to use a NULL pointer, causing a crash and denial of service.

◆ SAGE Intelligence — CITED Relevance Research Team

CVE-2025-69421 describes a vulnerability in the PKCS12_item_decrypt_d2i_ex() function of OpenSSL, where a malformed PKCS#12 file can trigger a NULL pointer dereference, leading to a Denial of Service (DoS). The vulnerability affects multiple versions of OpenSSL and is rated as Low severity. No public exploits or proof-of-concept (PoC) code is available, and the FIPS modules are not affected.

BSID: BS-2026-GLOBAL-031105-H • Model: Qwen/Qwen2.5-72B-Instruct-AWQ • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2025-69421?
CVE-2025-69421 describes a vulnerability in the PKCS12_item_decrypt_d2i_ex() function of OpenSSL, where a malformed PKCS#12 file can trigger a NULL pointer dereference, leading to a Denial of Service (DoS). The vulnerability affects multiple versions of OpenSSL and is rated as Low severity. No public exploits or proof-of-concept (PoC) code is available, and the FIPS modules are not affected.
What is the CVSS score for CVE-2025-69421?
CVE-2025-69421 has CVSS 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS: 0.8%.
Is CVE-2025-69421 actively exploited?
No confirmed active exploitation of CVE-2025-69421 as of 2026-06-05.
How do I remediate CVE-2025-69421?
Priority: MEDIUM. Advisory: https://github.com/openssl/openssl/commit/3524a29271f8191b8fd8a5257eb05173982a097b PSIRT: [email protected]
What systems are affected by CVE-2025-69421?
CVE-2025-69421 affects: Fujitsu-Siemens, Openssl, Siemens.
What NERC-CIP standard applies to CVE-2025-69421?
NERC CIP CIP-007 CIP-007-R2: This CVE violates CIP-007-R2 as it can lead to a Denial of Service, which could impact the availability of critical cyber assets in the power grid.
What IEC 62443 requirement maps to CVE-2025-69421?
IEC 62443 SR 7.6: This CVE maps to SR 7.6 as it involves a vulnerability that can be exploited to cause a Denial of Service, which affects the availability of the system and could compromise operational integrity.
Vulnerability Details
CVE IDCVE-2025-69421
BSIDBS-2026-GLOBAL-031105-H BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published2026-06-04
Last Modified2026-06-04
ICS Relevance55%
Weakness (CWE)
Verticals
ICS-OT
SourceNVD
Official Description

View CSAF Summary Hitachi Energy is aware of vulnerabilities that affect RTU500 product versions listed in this document. If exploited, these vulnerabilities primarily impact product availability, with potential secondary impacts on confidentiality and integrity. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation. The following versions of Hitachi Energy RTU500 are affected: RTU500 series CMU Firmware vers:RTU500_series_CMU_Firmware/>=12.7.1|<=12.7

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

An attacker can exploit this vulnerability by providing a malformed PKCS#12 file to an application that processes it. The application will crash, leading to a Denial of Service. The vulnerability is limited to DoS and cannot be escalated to achieve code execution or memory disclosure.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Fujitsu-Siemens &mdash;
Openssl Openssl
Siemens &mdash;
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: July 2026 | Threat Age: 51 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
● Virtual Patch — CITED Relevance SAGE Engine MEDIUM CONFIDENCE

Implement input validation and sanitization for PKCS#12 files before processing them in critical applications.

No reliable network detection signature exists for this vulnerability class — apply the compensating controls above and the vendor patch. SAGE only publishes a network rule when a concrete on-the-wire signature can be grounded in the advisory.

NERC CIP: CIP-007 CIP-007-R2
This CVE violates CIP-007-R2 as it can lead to a Denial of Service, which could impact the availability of critical cyber assets in the power grid.
IEC 62443: SR 7.6
This CVE maps to SR 7.6 as it involves a vulnerability that can be exploited to cause a Denial of Service, which affects the availability of the system and could compromise operational integrity.

Virtual patch generated by CITED Relevance SAGE. Validate in isolated environment before production deployment. Compensating control only - does not replace vendor patch.

SAGE Enrichment Record — provenance & audit hash
ModelQwen/Qwen2.5-72B-Instruct-AWQ
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash678b6033556588bc15a3b3d3d1cab4f4cd858567e7be1c4c5158f2942932db50b52f024b1d171b85f7253ca8af665def0fe2bb6523ff3d4cb34eb8e854d60ec8
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