CVE-2023-43314 (GCVE-0-2023-43314)
Vulnerability from cvelistv5 – Published: 2023-09-27 00:00 – Updated: 2024-08-02 19:37 Unsupported When Assigned
VLAI
EPSS
VEX
Summary
** UNSUPPORTED WHEN ASSIGNED **The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid.
Severity
7.5 (High)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Zyxel | PMG2005-T20B |
Affected:
V1.00(ABNK.2)b11_C0
|
guessed |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T19:37:23.720Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://github.com/Rumble00/Rumble/issues/1"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "PMG2005-T20B",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "V1.00(ABNK.2)b11_C0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003e** UNSUPPORTED WHEN ASSIGNED **The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0\u0026nbsp;could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid.\u003c/p\u003e"
}
],
"value": "** UNSUPPORTED WHEN ASSIGNED **The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0\u00a0could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid."
}
],
"metrics": [
{
"cvssV3_1": {
"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"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-120",
"description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-12-29T07:48:32.462Z",
"orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
"shortName": "Zyxel"
},
"references": [
{
"url": "https://github.com/Rumble00/Rumble/issues/1"
}
],
"source": {
"discovery": "UNKNOWN"
},
"tags": [
"unsupported-when-assigned"
],
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
"assignerShortName": "Zyxel",
"cveId": "CVE-2023-43314",
"datePublished": "2023-09-27T00:00:00.000Z",
"dateReserved": "2023-09-18T00:00:00.000Z",
"dateUpdated": "2024-08-02T19:37:23.720Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-43314",
"date": "2026-09-23",
"epss": "0.0065",
"percentile": "0.49758"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:zyxel:pmg2005-t20b_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D89EE1EA-F041-45D5-9E10-CC23F162373F",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:zyxel:pmg2005-t20b:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8C5FE29D-0016-4787-9D76-2B5846C7639C",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [
{
"sourceIdentifier": "security@zyxel.com.tw",
"tags": [
"unsupported-when-assigned"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "** UNSUPPORTED WHEN ASSIGNED **The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0\u00a0could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid.\n\n"
},
{
"lang": "es",
"value": "** NO COMPATIBLE CUANDO EST\u00c1 ASIGNADO ** La vulnerabilidad de desbordamiento del b\u00fafer en la versi\u00f3n de firmware V1.00(ABNK.2)b11_C0 de Zyxel PMG2005-T20B\u0026#xa0;podr\u00eda permitir que un atacante autenticado con privilegios de administrador provoque una condici\u00f3n de denegaci\u00f3n de servicio a trav\u00e9s de un uid manipulado."
}
],
"id": "CVE-2023-43314",
"lastModified": "2024-11-21T08:23:58.647",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"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,
"source": "security@zyxel.com.tw",
"type": "Primary"
},
{
"cvssData": {
"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,
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
},
"published": "2023-09-27T23:15:12.057",
"references": [
{
"source": "security@zyxel.com.tw",
"url": "https://github.com/Rumble00/Rumble/issues/1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/Rumble00/Rumble/issues/1"
}
],
"sourceIdentifier": "security@zyxel.com.tw",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-120"
}
],
"source": "security@zyxel.com.tw",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-120"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "PMG2005-T20B",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "V1.00(ABNK.2)b11_C0"
}
]
}
],
"source": "security@zyxel.com.tw"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:zyxel:pmg2005-t20b_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D89EE1EA-F041-45D5-9E10-CC23F162373F",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:zyxel:pmg2005-t20b:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8C5FE29D-0016-4787-9D76-2B5846C7639C",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [
{
"sourceIdentifier": "security@zyxel.com.tw",
"tags": [
"unsupported-when-assigned"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "** UNSUPPORTED WHEN ASSIGNED **The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0\u00a0could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid."
},
{
"lang": "es",
"value": "** NO COMPATIBLE CUANDO EST\u00c1 ASIGNADO ** La vulnerabilidad de desbordamiento del b\u00fafer en la versi\u00f3n de firmware V1.00(ABNK.2)b11_C0 de Zyxel PMG2005-T20B\u0026#xa0;podr\u00eda permitir que un atacante autenticado con privilegios de administrador provoque una condici\u00f3n de denegaci\u00f3n de servicio a trav\u00e9s de un uid manipulado."
}
],
"id": "CVE-2023-43314",
"lastModified": "2026-06-17T06:25:24.663",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"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,
"source": "security@zyxel.com.tw",
"type": "Secondary"
},
{
"cvssData": {
"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,
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
},
"published": "2023-09-27T23:15:12.057",
"references": [
{
"source": "security@zyxel.com.tw",
"url": "https://github.com/Rumble00/Rumble/issues/1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/Rumble00/Rumble/issues/1"
}
],
"sourceIdentifier": "security@zyxel.com.tw",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-120"
}
],
"source": "security@zyxel.com.tw",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-120"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T11:12:41+00:00",
"cve": "CVE-2023-43314",
"id": "CVE-2023-43314",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2023-43314",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-43314.json",
"version": "3"
}
}
}
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…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…