Refine your search
2 vulnerabilities found for ocrypto by Oberon microsystems AG
CVE-2026-16458 (GCVE-0-2026-16458)
Vulnerability from cvelistv5
Published
2026-08-13 08:31
Modified
2026-08-13 14:26
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Padding oracle attack vulnerability in Oberon microsystem AG’s ocrypto library in all versions since 3.0.0 and prior to 4.0.1 allows an attacker to recover plaintexts via timing measurements of RSA PKCS#1 v1.5 decrypt operations.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Oberon microsystems AG | ocrypto |
Version: 3.0.0 < 4.0.1 |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-16458",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-13T14:25:41.769110Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-13T14:26:09.348Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"modules": [
"RSA PKCS#1 v1.5 decryption"
],
"product": "ocrypto",
"vendor": "Oberon microsystems AG",
"versions": [
{
"lessThan": "4.0.1",
"status": "affected",
"version": "3.0.0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Padding oracle attack vulnerability in Oberon microsystem AG\u2019s ocrypto library in all versions since 3.0.0 and prior to 4.0.1 allows an attacker to recover plaintexts via timing measurements of RSA PKCS#1 v1.5 decrypt operations.\u003cbr\u003e"
}
],
"value": "Padding oracle attack vulnerability in Oberon microsystem AG\u2019s ocrypto library in all versions since 3.0.0 and prior to 4.0.1 allows an attacker to recover plaintexts via timing measurements of RSA PKCS#1 v1.5 decrypt operations."
}
],
"impacts": [
{
"capecId": "CAPEC-621",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-621 Analysis of Packet Timing and Sizes"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "LOCAL",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-208",
"description": "CWE-208 Observable timing discrepancy",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-327",
"description": "CWE-327",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-13T08:31:39.341Z",
"orgId": "455daabc-a392-441d-aa46-37d35189897c",
"shortName": "NCSC.ch"
},
"references": [
{
"url": "https://www.oberon.ch/security-advisories/cve-2026-16458/"
}
],
"source": {
"discovery": "INTERNAL"
},
"title": "Timing side-channel in RSA PKCS#1 v1.5 decryption in ocrypto",
"x_generator": {
"engine": "Vulnogram 1.0.2"
}
}
},
"cveMetadata": {
"assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c",
"assignerShortName": "NCSC.ch",
"cveId": "CVE-2026-16458",
"datePublished": "2026-08-13T08:31:39.341Z",
"dateReserved": "2026-07-21T11:21:05.979Z",
"dateUpdated": "2026-08-13T14:26:09.348Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2025-7071 (GCVE-0-2025-7071)
Vulnerability from cvelistv5
Published
2025-08-29 09:18
Modified
2025-08-29 12:07
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Padding oracle attack vulnerability in Oberon microsystem AG’s ocrypto library in all versions since 3.1.0 and prior to 3.9.2 allows an attacker to recover plaintexts via timing measurements of AES-CBC PKCS#7 decrypt operations.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Oberon microsystems AG | ocrypto |
Version: 3.1.0 < |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-7071",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-29T12:07:50.804088Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-08-29T12:07:57.827Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"modules": [
"AES-CBC with PKCS#7 padding"
],
"product": "ocrypto",
"vendor": "Oberon microsystems AG",
"versions": [
{
"lessThanOrEqual": "3.9.1",
"status": "affected",
"version": "3.1.0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cspan style=\"background-color: rgb(248, 248, 248);\"\u003ePadding oracle attack vulnerability in \u003ci\u003eOberon microsystem AG\u003c/i\u003e\u2019s \u003ci\u003eocrypto\u003c/i\u003e library in all versions since 3.1.0 and prior to 3.9.2 allows an attacker to recover plaintexts via timing measurements of AES-CBC PKCS#7 decrypt operations.\u003c/span\u003e\u003cbr\u003e"
}
],
"value": "Padding oracle attack vulnerability in Oberon microsystem AG\u2019s ocrypto library in all versions since 3.1.0 and prior to 3.9.2 allows an attacker to recover plaintexts via timing measurements of AES-CBC PKCS#7 decrypt operations."
}
],
"impacts": [
{
"capecId": "CAPEC-463",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-463 Padding Oracle Crypto Attack"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "LOCAL",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-208",
"description": "CWE-208 Observable Timing Discrepancy",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-327",
"description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-08-29T09:18:06.911Z",
"orgId": "455daabc-a392-441d-aa46-37d35189897c",
"shortName": "NCSC.ch"
},
"references": [
{
"url": "https://www.oberon.ch/security-advisories/cve-2025-7071/"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Affected users should upgrade to \u003ci\u003eocrypto 3.9.2\u003c/i\u003e or later."
}
],
"value": "Affected users should upgrade to ocrypto 3.9.2 or later."
}
],
"source": {
"discovery": "INTERNAL"
},
"title": "Timing side-channel vulnerability in AES-CBC decryption with PKCS#7 padding in ocrypto library",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c",
"assignerShortName": "NCSC.ch",
"cveId": "CVE-2025-7071",
"datePublished": "2025-08-29T09:18:06.911Z",
"dateReserved": "2025-07-04T14:16:55.641Z",
"dateUpdated": "2025-08-29T12:07:57.827Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}