CVE-2021-31893
Vulnerability from cvelistv5
Published
2021-07-13 11:02
Modified
2024-08-03 23:10
Severity ?
EPSS score ?
Summary
A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). The affected software contains a buffer overflow vulnerability while handling certain files that could allow a local attacker to trigger a denial-of-service condition or potentially lead to remote code execution.
References
▼ | URL | Tags | |
---|---|---|---|
productcert@siemens.com | https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf | Patch, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf | Patch, Vendor Advisory |
Impacted products
Vendor | Product | Version | ||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
▼ | Siemens | SIMATIC PCS 7 V8.2 and earlier |
Version: All versions |
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{ containers: { adp: [ { providerMetadata: { dateUpdated: "2024-08-03T23:10:30.646Z", orgId: "af854a3a-2127-422b-91ae-364da2661108", shortName: "CVE", }, references: [ { tags: [ "x_refsource_MISC", "x_transferred", ], url: "https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf", }, ], title: "CVE Program Container", }, ], cna: { affected: [ { product: "SIMATIC PCS 7 V8.2 and earlier", vendor: "Siemens", versions: [ { status: "affected", version: "All versions", }, ], }, { product: "SIMATIC PCS 7 V9.0", vendor: "Siemens", versions: [ { status: "affected", version: "All versions < V9.0 SP3", }, ], }, { product: "SIMATIC PDM", vendor: "Siemens", versions: [ { status: "affected", version: "All versions < V9.2", }, ], }, { product: "SIMATIC STEP 7 V5.X", vendor: "Siemens", versions: [ { status: "affected", version: "All versions < V5.6 SP2 HF3", }, ], }, { product: "SINAMICS STARTER (containing STEP 7 OEM version)", vendor: "Siemens", versions: [ { status: "affected", version: "All versions < V5.4 HF2", }, ], }, ], descriptions: [ { lang: "en", value: "A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). The affected software contains a buffer overflow vulnerability while handling certain files that could allow a local attacker to trigger a denial-of-service condition or potentially lead to remote code execution.", }, ], problemTypes: [ { descriptions: [ { cweId: "CWE-120", description: "CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')", lang: "en", type: "CWE", }, ], }, ], providerMetadata: { dateUpdated: "2021-07-13T11:02:56", orgId: "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", shortName: "siemens", }, references: [ { tags: [ "x_refsource_MISC", ], url: "https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf", }, ], x_legacyV4Record: { CVE_data_meta: { ASSIGNER: "productcert@siemens.com", ID: "CVE-2021-31893", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "SIMATIC PCS 7 V8.2 and earlier", version: { version_data: [ { version_value: "All versions", }, ], }, }, { product_name: "SIMATIC PCS 7 V9.0", version: { version_data: [ { version_value: "All versions < V9.0 SP3", }, ], }, }, { product_name: "SIMATIC PDM", version: { version_data: [ { version_value: "All versions < V9.2", }, ], }, }, { product_name: "SIMATIC STEP 7 V5.X", version: { version_data: [ { version_value: "All versions < V5.6 SP2 HF3", }, ], }, }, { product_name: "SINAMICS STARTER (containing STEP 7 OEM version)", version: { version_data: [ { version_value: "All versions < V5.4 HF2", }, ], }, }, ], }, vendor_name: "Siemens", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). The affected software contains a buffer overflow vulnerability while handling certain files that could allow a local attacker to trigger a denial-of-service condition or potentially lead to remote code execution.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')", }, ], }, ], }, references: { reference_data: [ { name: "https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf", refsource: "MISC", url: "https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf", }, ], }, }, }, }, cveMetadata: { assignerOrgId: "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", assignerShortName: "siemens", cveId: "CVE-2021-31893", datePublished: "2021-07-13T11:02:56", dateReserved: "2021-04-29T00:00:00", dateUpdated: "2024-08-03T23:10:30.646Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", "vulnerability-lookup:meta": { nvd: "{\"cve\":{\"id\":\"CVE-2021-31893\",\"sourceIdentifier\":\"productcert@siemens.com\",\"published\":\"2021-07-13T11:15:09.527\",\"lastModified\":\"2024-11-21T06:06:26.987\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). 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El software afectado contiene una vulnerabilidad de desbordamiento de búfer mientras se manejan determinados archivos que podría permitir a un atacante local desencadenar una condición de denegación de servicio o potencialmente conllevar a una ejecución de código remota\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":7.2,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":3.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"productcert@siemens.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-120\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_pcs_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"8.2\",\"matchCriteriaId\":\"7EEA55DF-23A5-4D3D-A2EC-EFFFBD8A7C3F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_pcs_firmware:9.0:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"81FDDB73-5C1A-448E-A88E-835F04DB8444\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_pcs_firmware:9.0:sp1:*:*:*:*:*:*\",\"matchCriteriaId\":\"39CC2ACC-62C3-434D-AB36-B73CA7CD5935\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_pcs_firmware:9.0:sp2:*:*:*:*:*:*\",\"matchCriteriaId\":\"D6FE8718-AC43-4AD8-9226-2382CB588F7F\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_pcs:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5BEAC421-FE31-4F16-8DB1-B816FDD66D64\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_pdm_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"9.2\",\"matchCriteriaId\":\"FCE0E117-5AB1-4D65-84CA-1F4A48664C93\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_pdm:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E092B735-42D5-48D5-947B-288C0FA2E180\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_step_7_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"5.6\",\"matchCriteriaId\":\"06CA9ADA-EEEA-4655-93FA-11EF309D869B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_step_7:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FB1FE00B-0613-4819-8D50-A5A0B6A190D1\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:sinamics_starter_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.4\",\"matchCriteriaId\":\"ACF25F6B-8DC4-4835-AE2F-2E03D3FA4C8C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"4D01AB88-A23C-4105-9D5C-DEAA8C2AAFE9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:hotfix_1:*:*:*:*:*:*\",\"matchCriteriaId\":\"C803017D-BCE6-4638-A54F-D29CA8AE5ABC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:hotfix_2:*:*:*:*:*:*\",\"matchCriteriaId\":\"A5900915-29CC-4F36-9622-4E81038CE932\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:sinamics_starter:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C3E8B354-CB0D-40F1-BC2B-C2355974C2A9\"}]}]}],\"references\":[{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf\",\"source\":\"productcert@siemens.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}", }, }
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.