CVE-2021-23845 (GCVE-0-2021-23845)
Vulnerability from cvelistv5 – Published: 2021-06-18 13:38 – Updated: 2024-09-16 21:57
VLAI
Title
B426 Web Configuration Authentication Bypass
Summary
This vulnerability could allow an attacker to hijack a session while a user is logged in the configuration web page. This vulnerability was discovered by a security researcher in B426 and found during internal product tests in B426-CN/B429-CN, and B426-M and has been fixed already starting from version 3.08 on, which was released on June 2019.
Severity
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.bosch.com/security-advisories/bosch… | x_refsource_CONFIRM |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Bosch | B426 Firmware |
Affected:
unspecified , < 03.08
(custom)
|
|
| Bosch | B426-CN/B429- CN Firmware |
Affected:
unspecified , < 03.08
(custom)
|
|
| Bosch | B426-M Firmware |
Affected:
unspecified , < 03.10
(custom)
|
Date Public
2021-05-28 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T19:14:09.174Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://psirt.bosch.com/security-advisories/bosch-sa-196933-bt.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "B426 Firmware",
"vendor": "Bosch",
"versions": [
{
"lessThan": "03.08",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "B426-CN/B429- CN Firmware",
"vendor": "Bosch",
"versions": [
{
"lessThan": "03.08",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "B426-M Firmware",
"vendor": "Bosch",
"versions": [
{
"lessThan": "03.10",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"datePublic": "2021-05-28T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "This vulnerability could allow an attacker to hijack a session while a user is logged in the configuration web page. This vulnerability was discovered by a security researcher in B426 and found during internal product tests in B426-CN/B429-CN, and B426-M and has been fixed already starting from version 3.08 on, which was released on June 2019."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "CWE-284 Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-06-18T13:38:31.000Z",
"orgId": "c95f66b2-7e7c-41c5-8f09-6f86ec68659c",
"shortName": "bosch"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://psirt.bosch.com/security-advisories/bosch-sa-196933-bt.html"
}
],
"source": {
"advisory": "BOSCH-SA-196933-BT",
"discovery": "UNKNOWN"
},
"title": "B426 Web Configuration Authentication Bypass",
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "psirt@bosch.com",
"DATE_PUBLIC": "2021-05-28",
"ID": "CVE-2021-23845",
"STATE": "PUBLIC",
"TITLE": "B426 Web Configuration Authentication Bypass"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "B426 Firmware",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "03.08"
}
]
}
},
{
"product_name": "B426-CN/B429- CN Firmware",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "03.08"
}
]
}
},
{
"product_name": "B426-M Firmware",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "03.10"
}
]
}
}
]
},
"vendor_name": "Bosch"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "This vulnerability could allow an attacker to hijack a session while a user is logged in the configuration web page. This vulnerability was discovered by a security researcher in B426 and found during internal product tests in B426-CN/B429-CN, and B426-M and has been fixed already starting from version 3.08 on, which was released on June 2019."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-284 Improper Access Control"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://psirt.bosch.com/security-advisories/bosch-sa-196933-bt.html",
"refsource": "CONFIRM",
"url": "https://psirt.bosch.com/security-advisories/bosch-sa-196933-bt.html"
}
]
},
"source": {
"advisory": "BOSCH-SA-196933-BT",
"discovery": "UNKNOWN"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "c95f66b2-7e7c-41c5-8f09-6f86ec68659c",
"assignerShortName": "bosch",
"cveId": "CVE-2021-23845",
"datePublished": "2021-06-18T13:38:31.304Z",
"dateReserved": "2021-01-12T00:00:00.000Z",
"dateUpdated": "2024-09-16T21:57:38.685Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-23845",
"date": "2026-06-06",
"epss": "0.00285",
"percentile": "0.5226"
},
"fkie_nvd": {
"configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:bosch:b426_firmware:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"03.08\", \"matchCriteriaId\": \"98825A0E-FFC6-4C12-BC4E-B89A5065F238\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:bosch:b426:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"F8846CF6-D7F7-4A65-BD96-F195D2EB1A22\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:bosch:b426-cn_firmware:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"03.08\", \"matchCriteriaId\": \"F60EA88F-9803-43AD-9E56-13ADB6BAD40E\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:bosch:b426-cn:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"E1A7D835-5716-4392-94E2-5F0718BC6C73\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:bosch:b429-cn_firmware:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"03.08\", \"matchCriteriaId\": \"E3421D66-6B7E-4345-B0AD-F396B4D3B05C\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:bosch:b429-cn:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"4E1A2E2D-4305-495A-B73A-4B438899222B\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:bosch:b426-m_firmware:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"03.10\", \"matchCriteriaId\": \"A8F31C2B-7EE5-41E9-AC29-A8E31C6D415B\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:bosch:b426-m:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"79D3F008-9125-43B1-8A2C-8C53F702A292\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"This vulnerability could allow an attacker to hijack a session while a user is logged in the configuration web page. This vulnerability was discovered by a security researcher in B426 and found during internal product tests in B426-CN/B429-CN, and B426-M and has been fixed already starting from version 3.08 on, which was released on June 2019.\"}, {\"lang\": \"es\", \"value\": \"Esta vulnerabilidad podr\\u00eda permitir a un atacante secuestrar una sesi\\u00f3n mientras un usuario est\\u00e1 registrado en la p\\u00e1gina web de configuraci\\u00f3n. Esta vulnerabilidad fue detectada por un investigador de seguridad en B426 y encontrada durante las pruebas internas del producto en B426-CN/B429-CN, y B426-M y ya ha sido corregida a partir de la versi\\u00f3n 3.08, que fue lanzada en junio de 2019\"}]",
"id": "CVE-2021-23845",
"lastModified": "2024-11-21T05:51:55.950",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"psirt@bosch.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H\", \"baseScore\": 8.0, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.1, \"impactScore\": 5.9}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"baseScore\": 8.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:P/I:P/A:P\", \"baseScore\": 6.8, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": true}]}",
"published": "2021-06-18T14:15:07.907",
"references": "[{\"url\": \"https://psirt.bosch.com/security-advisories/bosch-sa-196933-bt.html\", \"source\": \"psirt@bosch.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://psirt.bosch.com/security-advisories/bosch-sa-196933-bt.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
"sourceIdentifier": "psirt@bosch.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"psirt@bosch.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-284\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-23845\",\"sourceIdentifier\":\"psirt@bosch.com\",\"published\":\"2021-06-18T14:15:07.907\",\"lastModified\":\"2024-11-21T05:51:55.950\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"This vulnerability could allow an attacker to hijack a session while a user is logged in the configuration web page. This vulnerability was discovered by a security researcher in B426 and found during internal product tests in B426-CN/B429-CN, and B426-M and has been fixed already starting from version 3.08 on, which was released on June 2019.\"},{\"lang\":\"es\",\"value\":\"Esta vulnerabilidad podr\u00eda permitir a un atacante secuestrar una sesi\u00f3n mientras un usuario est\u00e1 registrado en la p\u00e1gina web de configuraci\u00f3n. Esta vulnerabilidad fue detectada por un investigador de seguridad en B426 y encontrada durante las pruebas internas del producto en B426-CN/B429-CN, y B426-M y ya ha sido corregida a partir de la versi\u00f3n 3.08, que fue lanzada en junio de 2019\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@bosch.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":8.0,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.1,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"psirt@bosch.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:bosch:b426_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"03.08\",\"matchCriteriaId\":\"98825A0E-FFC6-4C12-BC4E-B89A5065F238\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:bosch:b426:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F8846CF6-D7F7-4A65-BD96-F195D2EB1A22\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:bosch:b426-cn_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"03.08\",\"matchCriteriaId\":\"F60EA88F-9803-43AD-9E56-13ADB6BAD40E\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:bosch:b426-cn:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E1A7D835-5716-4392-94E2-5F0718BC6C73\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:bosch:b429-cn_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"03.08\",\"matchCriteriaId\":\"E3421D66-6B7E-4345-B0AD-F396B4D3B05C\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:bosch:b429-cn:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4E1A2E2D-4305-495A-B73A-4B438899222B\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:bosch:b426-m_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"03.10\",\"matchCriteriaId\":\"A8F31C2B-7EE5-41E9-AC29-A8E31C6D415B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:bosch:b426-m:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"79D3F008-9125-43B1-8A2C-8C53F702A292\"}]}]}],\"references\":[{\"url\":\"https://psirt.bosch.com/security-advisories/bosch-sa-196933-bt.html\",\"source\":\"psirt@bosch.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://psirt.bosch.com/security-advisories/bosch-sa-196933-bt.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
Loading…
Loading…