CVE-2021-20709

Improper validation of integrity check value vulnerability in NEC Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware Ver1.3.3 and earlier, and Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker with an administrative privilege to execute arbitrary OS commands by sending a specially crafted request to a specific URL.

CVSS v3.0 7.2 HIGH
CVSS v2.0 9.0 HIGH

7.2^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://jvn.jp/en/jp/JVN29739718/index.html	Third Party Advisory
https://jpn.nec.com/security-info/secinfo/nv21-010.html	Mitigation Vendor Advisory

Advertisement

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:nec:aterm_wf1200cr_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:nec:aterm_wf1200cr:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:nec:aterm_wg1200cr_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:nec:aterm_wg1200cr:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:nec:aterm_wg2600hs_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:nec:aterm_wg2600hs:-:*:*:*:*:*:*:*

Information

Published : 2021-04-25 18:15

Updated : 2021-05-05 13:02

NVD link : CVE-2021-20709

Mitre link : CVE-2021-20709

JSON object : View

CWE

CWE-354

Improper Validation of Integrity Check Value

Advertisement

Products Affected

nec

aterm_wf1200cr
aterm_wg2600hs
aterm_wg1200cr_firmware
aterm_wg1200cr
aterm_wf1200cr_firmware
aterm_wg2600hs_firmware

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://jvn.jp/en/jp/JVN29739718/index.html", "name": "https://jvn.jp/en/jp/JVN29739718/index.html", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://jpn.nec.com/security-info/secinfo/nv21-010.html", "name": "https://jpn.nec.com/security-info/secinfo/nv21-010.html", "tags": ["Mitigation", "Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Improper validation of integrity check value vulnerability in NEC Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware Ver1.3.3 and earlier, and Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker with an administrative privilege to execute arbitrary OS commands by sending a specially crafted request to a specific URL."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-354"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-20709", "ASSIGNER": "vultures@jpcert.or.jp"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 9.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}}, "publishedDate": "2021-04-26T01:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:nec:aterm_wf1200cr_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "1.3.2"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:nec:aterm_wf1200cr:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:nec:aterm_wg1200cr_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "1.3.3"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:nec:aterm_wg1200cr:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:nec:aterm_wg2600hs_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "1.5.1"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:nec:aterm_wg2600hs:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-05-05T20:02Z"}