{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-11935", "assignerOrgId": "50d2cd11-d01a-48ed-9441-5bfce9d63b27", "state": "PUBLISHED", "assignerShortName": "wolfSSL", "dateReserved": "2025-10-17T22:24:22.960Z", "datePublished": "2025-11-21T22:04:52.335Z", "dateUpdated": "2025-11-25T18:44:04.062Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://www.wolfssl.com/download", "defaultStatus": "unaffected", "modules": ["TLS"], "packageName": "wolfssl", "platforms": ["Linux", "MacOS"], "product": "wolfSSL", "programFiles": ["src/tls13.c", "src/tls.c", "wolfssl/internal.h"], "repo": "https://github.com/wolfSSL/wolfssl", "vendor": "wolfSSL", "versions": [{"status": "affected", "version": "v5.8.2"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Jaehun Lee, Pohang University of Science and Technology (POSTECH)"}, {"lang": "en", "type": "coordinator", "value": "Kyungmin Bae, Pohang University of Science and Technology (POSTECH)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "With TLS 1.3 pre-shared key (PSK) a malicious or faulty server could ignore the request for PFS (perfect forward secrecy) and the client would continue on with the connection using PSK without PFS. This happened when a&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">server responded to a ClientHello containing psk_dhe_ke without a key_share extension.&nbsp;</span>The re-use of an authenticated PSK connection that on the clients side unexpectedly did not have PFS, reduces the security of the connection.<br><br>"}], "value": "With TLS 1.3 pre-shared key (PSK) a malicious or faulty server could ignore the request for PFS (perfect forward secrecy) and the client would continue on with the connection using PSK without PFS. This happened when a\u00a0server responded to a ClientHello containing psk_dhe_ke without a key_share extension.\u00a0The re-use of an authenticated PSK connection that on the clients side unexpectedly did not have PFS, reduces the security of the connection."}], "impacts": [{"capecId": "CAPEC-94", "descriptions": [{"lang": "en", "value": "CAPEC-94 Adversary in the Middle (AiTM)"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "baseScore": 6.3, "baseSeverity": "MEDIUM", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-326", "description": "CWE-326 Inadequate Encryption Strength", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "50d2cd11-d01a-48ed-9441-5bfce9d63b27", "shortName": "wolfSSL", "dateUpdated": "2025-11-21T22:04:52.335Z"}, "references": [{"url": "https://github.com/wolfSSL/wolfssl"}, {"url": "https://github.com/wolfSSL/wolfssl/pull/9112"}], "source": {"discovery": "UNKNOWN"}, "title": "Forward Secrecy Violation in WolfSSL TLS 1.3", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-11-25T18:43:57.465371Z", "id": "CVE-2025-11935", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-11-25T18:44:04.062Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-11935", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-11-25T18:43:57.465371Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-11-25T18:44:00.244Z"}}], "cna": {"title": "Forward Secrecy Violation in WolfSSL TLS 1.3", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Jaehun Lee, Pohang University of Science and Technology (POSTECH)"}, {"lang": "en", "type": "coordinator", "value": "Kyungmin Bae, Pohang University of Science and Technology (POSTECH)"}], "impacts": [{"capecId": "CAPEC-94", "descriptions": [{"lang": "en", "value": "CAPEC-94 Adversary in the Middle (AiTM)"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/wolfSSL/wolfssl", "vendor": "wolfSSL", "modules": ["TLS"], "product": "wolfSSL", "versions": [{"status": "affected", "version": "v5.8.2"}], "platforms": ["Linux", "MacOS"], "packageName": "wolfssl", "programFiles": ["src/tls13.c", "src/tls.c", "wolfssl/internal.h"], "collectionURL": "https://www.wolfssl.com/download", "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/wolfSSL/wolfssl"}, {"url": "https://github.com/wolfSSL/wolfssl/pull/9112"}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "With TLS 1.3 pre-shared key (PSK) a malicious or faulty server could ignore the request for PFS (perfect forward secrecy) and the client would continue on with the connection using PSK without PFS. This happened when a\u00a0server responded to a ClientHello containing psk_dhe_ke without a key_share extension.\u00a0The re-use of an authenticated PSK connection that on the clients side unexpectedly did not have PFS, reduces the security of the connection.", "supportingMedia": [{"type": "text/html", "value": "With TLS 1.3 pre-shared key (PSK) a malicious or faulty server could ignore the request for PFS (perfect forward secrecy) and the client would continue on with the connection using PSK without PFS. This happened when a&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">server responded to a ClientHello containing psk_dhe_ke without a key_share extension.&nbsp;</span>The re-use of an authenticated PSK connection that on the clients side unexpectedly did not have PFS, reduces the security of the connection.<br><br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-326", "description": "CWE-326 Inadequate Encryption Strength"}]}], "providerMetadata": {"orgId": "50d2cd11-d01a-48ed-9441-5bfce9d63b27", "shortName": "wolfSSL", "dateUpdated": "2025-11-21T22:04:52.335Z"}}}, "cveMetadata": {"cveId": "CVE-2025-11935", "state": "PUBLISHED", "dateUpdated": "2025-11-25T18:44:04.062Z", "dateReserved": "2025-10-17T22:24:22.960Z", "assignerOrgId": "50d2cd11-d01a-48ed-9441-5bfce9d63b27", "datePublished": "2025-11-21T22:04:52.335Z", "assignerShortName": "wolfSSL"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "With TLS 1.3 pre-shared key (PSK) a malicious or faulty server could ignore the request for PFS (perfect forward secrecy) and the client would continue on with the connection using PSK without PFS. This happened when a\u00a0server responded to a ClientHello containing psk_dhe_ke without a key_share extension.\u00a0The re-use of an authenticated PSK connection that on the clients side unexpectedly did not have PFS, reduces the security of the connection."}], "id": "CVE-2025-11935", "lastModified": "2025-11-25T22:16:42.557", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}]}, "published": "2025-11-21T22:16:18.920", "references": [{"source": "[email protected]", "url": "https://github.com/wolfSSL/wolfssl"}, {"source": "[email protected]", "url": "https://github.com/wolfSSL/wolfssl/pull/9112"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-326"}], "source": "[email protected]", "type": "Secondary"}]}

{}