Search
Find a vulnerability
Search criteria
6 vulnerabilities found for hancom_office_2020 by hancom
CVE-2023-32541 (GCVE-0-2023-32541)
Vulnerability from nvd – Published: 2023-09-26 14:02 – Updated: 2025-11-04 19:16
VLAI
EPSS
VEX
Summary
A use-after-free vulnerability exists in the footerr functionality of Hancom Office 2020 HWord 11.0.0.7520. A specially crafted .doc file can lead to a use-after-free. An attacker can trick a user into opening a malformed file to trigger this vulnerability.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Hancom | Hancom Office 2020 |
Affected:
HWord 11.0.0.7520
|
|
| hancom | hancom_office_2020 |
Affected:
11.0.0.7520
cpe:2.3:a:hancom:hancom_office_2020:11.0.0.7520:*:*:*:*:*:*:* |
Credits
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2025-11-04T19:16:19.120Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1759",
"tags": [
"x_transferred"
],
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1759"
},
{
"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1759"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:a:hancom:hancom_office_2020:11.0.0.7520:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "hancom_office_2020",
"vendor": "hancom",
"versions": [
{
"status": "affected",
"version": "11.0.0.7520"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-32541",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-24T13:29:27.614261Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-24T13:32:41.687Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Hancom Office 2020",
"vendor": "Hancom",
"versions": [
{
"status": "affected",
"version": "HWord 11.0.0.7520"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Discovered by Marcin \u0026#39;Icewall\u0026#39; Noga of Cisco Talos."
}
],
"descriptions": [
{
"lang": "en",
"value": "A use-after-free vulnerability exists in the footerr functionality of Hancom Office 2020 HWord 11.0.0.7520. A specially crafted .doc file can lead to a use-after-free. An attacker can trick a user into opening a malformed file to trigger this vulnerability."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416: Use After Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-09-26T17:00:06.437Z",
"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"shortName": "talos"
},
"references": [
{
"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1759",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1759"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"assignerShortName": "talos",
"cveId": "CVE-2023-32541",
"datePublished": "2023-09-26T14:02:28.222Z",
"dateReserved": "2023-06-08T18:44:01.632Z",
"dateUpdated": "2025-11-04T19:16:19.120Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2022-33896 (GCVE-0-2022-33896)
Vulnerability from nvd – Published: 2022-10-07 15:05 – Updated: 2025-04-15 18:49
VLAI
EPSS
VEX
Summary
A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-124 - Buffer Underwrite ('Buffer Underflow')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Hancom | Hancom Office 2020 |
Affected:
Hancom Office 2020 11.0.0.5357
|
Date Public
2022-10-04 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T08:09:22.670Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2022-1574"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2022-33896",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-15T18:17:57.796842Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-15T18:49:15.593Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Hancom Office 2020",
"vendor": "Hancom",
"versions": [
{
"status": "affected",
"version": "Hancom Office 2020 11.0.0.5357"
}
]
}
],
"datePublic": "2022-10-04T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability."
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-124",
"description": "CWE-124: Buffer Underwrite (\u0027Buffer Underflow\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-10-07T00:00:00.000Z",
"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"shortName": "talos"
},
"references": [
{
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2022-1574"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"assignerShortName": "talos",
"cveId": "CVE-2022-33896",
"datePublished": "2022-10-07T15:05:08.443Z",
"dateReserved": "2022-07-05T00:00:00.000Z",
"dateUpdated": "2025-04-15T18:49:15.593Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2021-21958 (GCVE-0-2021-21958)
Vulnerability from nvd – Published: 2022-02-16 16:38 – Updated: 2025-04-15 19:10
VLAI
EPSS
VEX
Summary
A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T18:30:23.696Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1386"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-21958",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-15T18:23:47.585078Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-15T19:10:05.119Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Hancom",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Hancom Office 2020 11.0.0.2353"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability."
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-02-16T16:38:31.000Z",
"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"shortName": "talos"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1386"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "talos-cna@cisco.com",
"ID": "CVE-2021-21958",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Hancom",
"version": {
"version_data": [
{
"version_value": "Hancom Office 2020 11.0.0.2353"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability."
}
]
},
"impact": {
"cvss": {
"baseScore": 7.8,
"baseSeverity": "High",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-122: Heap-based Buffer Overflow"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1386",
"refsource": "MISC",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1386"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"assignerShortName": "talos",
"cveId": "CVE-2021-21958",
"datePublished": "2022-02-16T16:38:31.000Z",
"dateReserved": "2021-01-04T00:00:00.000Z",
"dateUpdated": "2025-04-15T19:10:05.119Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2023-32541 (GCVE-0-2023-32541)
Vulnerability from cvelistv5 – Published: 2023-09-26 14:02 – Updated: 2025-11-04 19:16
VLAI
EPSS
VEX
Summary
A use-after-free vulnerability exists in the footerr functionality of Hancom Office 2020 HWord 11.0.0.7520. A specially crafted .doc file can lead to a use-after-free. An attacker can trick a user into opening a malformed file to trigger this vulnerability.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Hancom | Hancom Office 2020 |
Affected:
HWord 11.0.0.7520
|
|
| hancom | hancom_office_2020 |
Affected:
11.0.0.7520
cpe:2.3:a:hancom:hancom_office_2020:11.0.0.7520:*:*:*:*:*:*:* |
Credits
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2025-11-04T19:16:19.120Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1759",
"tags": [
"x_transferred"
],
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1759"
},
{
"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1759"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:a:hancom:hancom_office_2020:11.0.0.7520:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "hancom_office_2020",
"vendor": "hancom",
"versions": [
{
"status": "affected",
"version": "11.0.0.7520"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-32541",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-24T13:29:27.614261Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-24T13:32:41.687Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Hancom Office 2020",
"vendor": "Hancom",
"versions": [
{
"status": "affected",
"version": "HWord 11.0.0.7520"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Discovered by Marcin \u0026#39;Icewall\u0026#39; Noga of Cisco Talos."
}
],
"descriptions": [
{
"lang": "en",
"value": "A use-after-free vulnerability exists in the footerr functionality of Hancom Office 2020 HWord 11.0.0.7520. A specially crafted .doc file can lead to a use-after-free. An attacker can trick a user into opening a malformed file to trigger this vulnerability."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416: Use After Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-09-26T17:00:06.437Z",
"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"shortName": "talos"
},
"references": [
{
"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1759",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1759"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"assignerShortName": "talos",
"cveId": "CVE-2023-32541",
"datePublished": "2023-09-26T14:02:28.222Z",
"dateReserved": "2023-06-08T18:44:01.632Z",
"dateUpdated": "2025-11-04T19:16:19.120Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2022-33896 (GCVE-0-2022-33896)
Vulnerability from cvelistv5 – Published: 2022-10-07 15:05 – Updated: 2025-04-15 18:49
VLAI
EPSS
VEX
Summary
A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-124 - Buffer Underwrite ('Buffer Underflow')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Hancom | Hancom Office 2020 |
Affected:
Hancom Office 2020 11.0.0.5357
|
Date Public
2022-10-04 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T08:09:22.670Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2022-1574"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2022-33896",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-15T18:17:57.796842Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-15T18:49:15.593Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Hancom Office 2020",
"vendor": "Hancom",
"versions": [
{
"status": "affected",
"version": "Hancom Office 2020 11.0.0.5357"
}
]
}
],
"datePublic": "2022-10-04T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability."
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-124",
"description": "CWE-124: Buffer Underwrite (\u0027Buffer Underflow\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-10-07T00:00:00.000Z",
"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"shortName": "talos"
},
"references": [
{
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2022-1574"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"assignerShortName": "talos",
"cveId": "CVE-2022-33896",
"datePublished": "2022-10-07T15:05:08.443Z",
"dateReserved": "2022-07-05T00:00:00.000Z",
"dateUpdated": "2025-04-15T18:49:15.593Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2021-21958 (GCVE-0-2021-21958)
Vulnerability from cvelistv5 – Published: 2022-02-16 16:38 – Updated: 2025-04-15 19:10
VLAI
EPSS
VEX
Summary
A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T18:30:23.696Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1386"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-21958",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-15T18:23:47.585078Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-15T19:10:05.119Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Hancom",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Hancom Office 2020 11.0.0.2353"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability."
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-02-16T16:38:31.000Z",
"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"shortName": "talos"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1386"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "talos-cna@cisco.com",
"ID": "CVE-2021-21958",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Hancom",
"version": {
"version_data": [
{
"version_value": "Hancom Office 2020 11.0.0.2353"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability."
}
]
},
"impact": {
"cvss": {
"baseScore": 7.8,
"baseSeverity": "High",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-122: Heap-based Buffer Overflow"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1386",
"refsource": "MISC",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1386"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"assignerShortName": "talos",
"cveId": "CVE-2021-21958",
"datePublished": "2022-02-16T16:38:31.000Z",
"dateReserved": "2021-01-04T00:00:00.000Z",
"dateUpdated": "2025-04-15T19:10:05.119Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}