gsd-2021-21005
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-21005",
"description": "In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards.",
"id": "GSD-2021-21005"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-21005"
],
"details": "In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards.",
"id": "GSD-2021-21005",
"modified": "2023-12-13T01:23:11.188722Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "info@cert.vde.com",
"DATE_PUBLIC": "2021-06-23T10:00:00.000Z",
"ID": "CVE-2021-21005",
"STATE": "PUBLIC",
"TITLE": "Race Condition Vulnerability in Phoenix Contact FL SWITCH SMCS series products"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "FL SWITCH",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_name": "SMCS 16TX (2700996)",
"version_value": "4.70"
},
{
"version_affected": "\u003c=",
"version_name": "SMCS 14TX/2FX (2700997)",
"version_value": "4.70"
},
{
"version_affected": "\u003c=",
"version_name": "SMCS 14TX/2FX-SM (2701466)",
"version_value": "4.70"
},
{
"version_affected": "\u003c=",
"version_name": "SMCS 8GT (2891123)",
"version_value": "4.70"
},
{
"version_affected": "\u003c=",
"version_name": "SMCS 6GT/2SFP (2891479)",
"version_value": "4.70"
},
{
"version_affected": "\u003c=",
"version_name": "SMCS 8TX-PN (2989103)",
"version_value": "4.70"
},
{
"version_affected": "\u003c=",
"version_name": "SMCS 4TX-PN (2989093)",
"version_value": "4.70"
},
{
"version_affected": "\u003c=",
"version_name": "SMCS 8TX (2989226)",
"version_value": "4.70"
},
{
"version_affected": "\u003c=",
"version_name": "SMCS 6TX/2SFP (2989323)",
"version_value": "4.70"
},
{
"version_affected": "\u003c=",
"version_name": "SMN 6TX/2POF-PN (2700290)",
"version_value": "4.70"
},
{
"version_affected": "\u003c=",
"version_name": "SMN 8TX-PN (2989501)",
"version_value": "4.70"
},
{
"version_affected": "\u003c=",
"version_name": "SMN 6TX/2FX (2989543)",
"version_value": "4.70"
},
{
"version_affected": "\u003c=",
"version_name": "SMN 6TX/2FX SM (2989556)",
"version_value": "4.70"
}
]
}
},
{
"product_name": "FL NAT",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_name": "SMN 8TX (2989365)",
"version_value": "4.63"
},
{
"version_affected": "\u003c=",
"version_name": "SMN 8TX-M (2702443)",
"version_value": "4.63"
}
]
}
}
]
},
"vendor_name": "Phoenix Contact"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "This vulnerability has been discovered and reported by Anne Borcherding, Fraunhofer- Institut f\u00fcr Optronik, Systemtechnik und Bildauswertung IOSB. PHOENIX CONTACT thanks CERT@VDE for the coordination and support with this publication."
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-362 Race Condition (Concurrent Execution using Shared Resource with Improper Synchronization)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://cert.vde.com/en-us/advisories/vde-2021-023",
"refsource": "CONFIRM",
"url": "https://cert.vde.com/en-us/advisories/vde-2021-023"
}
]
},
"source": {
"advisory": "VDE-2021-023",
"defect": [
"VDE-2021-023"
],
"discovery": "EXTERNAL"
},
"work_around": [
{
"lang": "eng",
"value": "Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to the Phoenix Contact application note:\nMeasures to protect network-capable devices with Ethernet connection https://dam-mdc.phoenixcontact.com/asset/156443151564/0a870ae433c19148b80bd760f3a1c1f2/107913_en_03.pdf"
}
]
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smcs_16tx_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smcs_16tx:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smcs_14tx\\/2fx_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smcs_14tx\\/2fx:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smcs_14tx\\/2fx-sm_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smcs_14tx\\/2fx-sm:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smcs_8gt_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smcs_8gt:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smcs_6gt\\/2sfp_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smcs_6gt\\/2sfp:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smcs_8tx-pn_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smcs_8tx-pn:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smcs_4tx-pn_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smcs_4tx-pn:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smcs_8tx_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smcs_8tx:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smcs_6tx\\/2sfp_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smcs_6tx\\/2sfp:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smn_6tx\\/2pof-pn_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smn_6tx\\/2pof-pn:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smn_8tx-pn_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smn_8tx-pn:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smn_6tx\\/2fx_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smn_6tx\\/2fx:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_switch_smn_6tx\\/2fx_sm_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.70",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_switch_smn_6tx\\/2fx_sm:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_nat_smn_8tx_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.63",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_nat_smn_8tx:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:phoenixcontact:fl_nat_smn_8tx-m_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "4.63",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:phoenixcontact:fl_nat_smn_8tx-m:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "info@cert.vde.com",
"ID": "CVE-2021-21005"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-362"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://cert.vde.com/en-us/advisories/vde-2021-023",
"refsource": "CONFIRM",
"tags": [
"Third Party Advisory"
],
"url": "https://cert.vde.com/en-us/advisories/vde-2021-023"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2021-07-01T23:56Z",
"publishedDate": "2021-06-25T19:15Z"
}
}
}
Loading…
Loading…
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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
Loading…
Loading…