CVE-2025-9230 (GCVE-0-2025-9230)

Vulnerability from cvelistv5 – Published: 2025-09-30 13:17 – Updated: 2026-07-14 12:39
VLAI
Title
Out-of-bounds read & write in RFC 3211 KEK Unwrap
Summary
Issue summary: An application trying to decrypt CMS messages encrypted using password based encryption can trigger an out-of-bounds read and write. Impact summary: This out-of-bounds read may trigger a crash which leads to Denial of Service for an application. The out-of-bounds write can cause a memory corruption which can have various consequences including a Denial of Service or Execution of attacker-supplied code. Although the consequences of a successful exploit of this vulnerability could be severe, the probability that the attacker would be able to perform it is low. Besides, password based (PWRI) encryption support in CMS messages is very rarely used. For that reason the issue was assessed as Moderate severity according to our Security Policy. The FIPS modules in 3.5, 3.4, 3.3, 3.2, 3.1 and 3.0 are not affected by this issue, as the CMS implementation is outside the OpenSSL FIPS module boundary.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
OpenSSL OpenSSL Affected: 3.5.0 , < 3.5.4 (semver)
Affected: 3.4.0 , < 3.4.3 (semver)
Affected: 3.3.0 , < 3.3.5 (semver)
Affected: 3.2.0 , < 3.2.6 (semver)
Affected: 3.0.0 , < 3.0.18 (semver)
Affected: 1.1.1 , < 1.1.1zd (custom)
Affected: 1.0.2 , < 1.0.2zm (custom)
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Siemens RUGGEDCOM RST2428P Affected: 0 , < V3.3 (custom)
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Siemens RUGGEDCOM RST2428P Affected: 0 , < V4.0 (custom)
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Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XCH328 Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XCM324 Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XCM328 Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XCM332 Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRH334 (24 V DC, 8xFO, CC) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (230 V AC, 12xFO) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (230 V AC, 8xFO) Affected: 0 , < V3.3 (custom)
Create a notification for this product.
Siemens SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) Affected: 0 , < V3.3 (custom)
Create a notification for this product.
Siemens SCALANCE XRM334 (24 V DC, 12xFO) Affected: 0 , < V3.3 (custom)
Create a notification for this product.
Siemens SCALANCE XRM334 (24 V DC, 8xFO) Affected: 0 , < V3.3 (custom)
Create a notification for this product.
Siemens SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) Affected: 0 , < V3.3 (custom)
Create a notification for this product.
Siemens SCALANCE XRM334 (2x230 V AC, 12xFO) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (2x230 V AC, 8xFO) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) Affected: 0 , < V3.3 (custom)
Create a notification for this product.
Siemens SIDIS Prime Affected: 0 , < V4.0.800 (custom)
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Siemens SIDIS Secured SmartPlug Affected: 0 , < V7.26.0310 (custom)
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Siemens SIMATIC CN 4100 Affected: 0 , < V5.0 (custom)
Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
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Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Date Public
2025-09-30 14:00
Credits
Stanislav Fort (Aisle Research) Stanislav Fort (Aisle Research) Viktor Dukhovni
Show details on NVD website
To clipboard 

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    "epss": {
      "cve": "CVE-2025-9230",
      "date": "2026-07-14",
      "epss": "0.01744",
      "percentile": "0.75158"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-9230\",\"sourceIdentifier\":\"openssl-security@openssl.org\",\"published\":\"2025-09-30T14:15:41.050\",\"lastModified\":\"2026-07-14T13:18:07.327\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Issue summary: An application trying to decrypt CMS messages encrypted using\\npassword based encryption can trigger an out-of-bounds read and write.\\n\\nImpact summary: This out-of-bounds read may trigger a crash which leads to\\nDenial of Service for an application. The out-of-bounds write can cause\\na memory corruption which can have various consequences including\\na Denial of Service or Execution of attacker-supplied code.\\n\\nAlthough the consequences of a successful exploit of this vulnerability\\ncould be severe, the probability that the attacker would be able to\\nperform it is low. Besides, password based (PWRI) encryption support in CMS\\nmessages is very rarely used. For that reason the issue was assessed as\\nModerate severity according to our Security Policy.\\n\\nThe FIPS modules in 3.5, 3.4, 3.3, 3.2, 3.1 and 3.0 are not affected by this\\nissue, as the CMS implementation is outside the OpenSSL FIPS module\\nboundary.\"},{\"lang\":\"es\",\"value\":\"Resumen del problema: Una aplicaci\u00f3n que intenta descifrar mensajes CMS cifrados usando cifrado basado en contrase\u00f1a puede desencadenar una lectura y escritura fuera de l\u00edmites.\\n\\nResumen del impacto: Esta lectura fuera de l\u00edmites puede desencadenar un fallo que lleva a una Denegaci\u00f3n de Servicio para una aplicaci\u00f3n. La escritura fuera de l\u00edmites puede causar una corrupci\u00f3n de memoria que puede tener varias consecuencias, incluyendo una Denegaci\u00f3n de Servicio o la ejecuci\u00f3n de c\u00f3digo suministrado por el atacante.\\n\\nAunque las consecuencias de un exploit exitoso de esta vulnerabilidad podr\u00edan ser graves, la probabilidad de que el atacante pudiera realizarlo es baja. Adem\u00e1s, el soporte de cifrado basado en contrase\u00f1a (PWRI) en mensajes CMS se usa muy raramente. 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    "redhat_vex": {
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      "current_release_date": "2026-07-08T14:12:33+00:00",
      "cve": "CVE-2025-9230",
      "id": "CVE-2025-9230",
      "initial_release_date": "2025-09-30T23:59:00+00:00",
      "product_status:fixed": "632",
      "product_status:known_affected": "18",
      "product_status:known_not_affected": "250",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "openssl: Out-of-bounds read \u0026 write in RFC 3211 KEK Unwrap",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-9230.json",
      "version": "3"
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\"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"3.2.0\", \"lessThan\": \"3.2.6\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"3.0.0\", \"lessThan\": \"3.0.18\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"1.1.1\", \"lessThan\": \"1.1.1zd\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"1.0.2\", \"lessThan\": \"1.0.2zm\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2025-09-30T14:00:00.000Z\", \"references\": [{\"url\": \"https://openssl-library.org/news/secadv/20250930.txt\", \"name\": \"OpenSSL Advisory\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/bae259a211ada6315dc50900686daaaaaa55f482\", \"name\": \"3.5.4 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/9e91358f365dee6c446dcdcdb01c04d2743fd280\", \"name\": \"3.4.3 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/5965ea5dd6960f36d8b7f74f8eac67a8eb8f2b45\", \"name\": \"3.3.5 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/b5282d677551afda7d20e9c00e09561b547b2dfd\", \"name\": \"3.2.6 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/a79c4ce559c6a3a8fd4109e9f33c1185d5bf2def\", \"name\": \"3.0.18 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.openssl.org/openssl/extended-releases/commit/dfbaf161d8dafc1132dd88cd48ad990ed9b4c8ba\", \"name\": \"1.1.1zd git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.openssl.org/openssl/extended-releases/commit/c2b96348bfa662f25f4fabf81958ae822063dae3\", \"name\": \"1.0.2zm git commit\", \"tags\": [\"patch\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Issue summary: An application trying to decrypt CMS messages encrypted using\\npassword based encryption can trigger an out-of-bounds read and write.\\n\\nImpact summary: This out-of-bounds read may trigger a crash which leads to\\nDenial of Service for an application. The out-of-bounds write can cause\\na memory corruption which can have various consequences including\\na Denial of Service or Execution of attacker-supplied code.\\n\\nAlthough the consequences of a successful exploit of this vulnerability\\ncould be severe, the probability that the attacker would be able to\\nperform it is low. Besides, password based (PWRI) encryption support in CMS\\nmessages is very rarely used. For that reason the issue was assessed as\\nModerate severity according to our Security Policy.\\n\\nThe FIPS modules in 3.5, 3.4, 3.3, 3.2, 3.1 and 3.0 are not affected by this\\nissue, as the CMS implementation is outside the OpenSSL FIPS module\\nboundary.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Issue summary: An application trying to decrypt CMS messages encrypted using\u003cbr\u003epassword based encryption can trigger an out-of-bounds read and write.\u003cbr\u003e\u003cbr\u003eImpact summary: This out-of-bounds read may trigger a crash which leads to\u003cbr\u003eDenial of Service for an application. The out-of-bounds write can cause\u003cbr\u003ea memory corruption which can have various consequences including\u003cbr\u003ea Denial of Service or Execution of attacker-supplied code.\u003cbr\u003e\u003cbr\u003eAlthough the consequences of a successful exploit of this vulnerability\u003cbr\u003ecould be severe, the probability that the attacker would be able to\u003cbr\u003eperform it is low. Besides, password based (PWRI) encryption support in CMS\u003cbr\u003emessages is very rarely used. For that reason the issue was assessed as\u003cbr\u003eModerate severity according to our Security Policy.\u003cbr\u003e\u003cbr\u003eThe FIPS modules in 3.5, 3.4, 3.3, 3.2, 3.1 and 3.0 are not affected by this\u003cbr\u003eissue, as the CMS implementation is outside the OpenSSL FIPS module\u003cbr\u003eboundary.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-125\", \"description\": \"CWE-125 Out-of-bounds Read\"}, {\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"shortName\": \"openssl\", \"dateUpdated\": \"2025-09-30T13:17:00.808Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-9230\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-14T12:39:16.299Z\", \"dateReserved\": \"2025-08-20T08:38:07.678Z\", \"assignerOrgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"datePublished\": \"2025-09-30T13:17:00.808Z\", \"assignerShortName\": \"openssl\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.