{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2019-25714", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-04-21T15:54:59.039Z", "datePublished": "2026-04-21T16:11:54.961Z", "dateUpdated": "2026-04-21T16:12:08.494Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-04-21T16:12:08.494Z"}, "title": "Seeyon Office Anywhere (OA) A8 Unauthenticated Arbitrary File Write via htmlofficeservlet", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-434", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "type": "CWE"}]}], "affected": [{"vendor": "Seeyon Internet Software", "product": "A8-V5 Collaborative Management Software", "versions": [{"status": "affected", "version": "6.1sp1"}], "defaultStatus": "unknown"}, {"vendor": "Seeyon Internet Software", "product": "A8+ Collaborative Management Software", "versions": [{"status": "affected", "version": "7.0"}, {"status": "affected", "version": "7.0sp1"}, {"status": "affected", "version": "7.0sp2"}, {"status": "affected", "version": "7.0sp3"}, {"status": "affected", "version": "7.1"}], "defaultStatus": "unknown"}], "descriptions": [{"lang": "en", "value": "Seeyon OA A8 contains an unauthenticated arbitrary file write vulnerability in the /seeyon/htmlofficeservlet endpoint that allows remote attackers to write arbitrary files to the web application root by sending specially crafted POST requests with custom base64-encoded payloads. Attackers can write JSP webshells to the web root and execute them through the web server to achieve arbitrary OS command execution with web server privileges.\u00a0Exploitation evidence was first observed by the Shadowserver Foundation on 2021-03-26 (UTC).", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Seeyon OA A8 contains an unauthenticated arbitrary file write vulnerability in the /seeyon/htmlofficeservlet endpoint that allows remote attackers to write arbitrary files to the web application root by sending specially crafted POST requests with custom base64-encoded payloads. Attackers can write JSP webshells to the web root and execute them through the web server to achieve arbitrary OS command execution with web server privileges.&nbsp;Exploitation evidence was first observed by the Shadowserver Foundation on 2021-03-26 (UTC).<br>"}]}], "tags": ["x_known-exploited-vulnerability"], "references": [{"url": "https://sourceforge.net/software/product/A8/", "tags": ["product"]}, {"url": "https://web.archive.org/web/20190821034711/http://wyb0.com/posts/2019/seeyon-htmlofficeservlet-getshell/", "tags": ["exploit"]}, {"url": "https://wiki.96.mk/Web%E5%AE%89%E5%85%A8/%E8%87%B4%E8%BF%9Coa/%E8%87%B4%E8%BF%9C%20OA%20A8%20htmlofficeservlet%20getshell%20%E6%BC%8F%E6%B4%9E/", "tags": ["exploit"]}, {"url": "https://static-aliyun-doc.oss-cn-hangzhou.aliyuncs.com/download/pdf/90916/Security_Notification_reseller_en-US.pdf", "tags": ["third-party-advisory", "mitigation"]}, {"url": "https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=31713", "tags": ["third-party-advisory"]}, {"url": "https://www.fortiguard.com/encyclopedia/ips/48874/seeyon-office-anywhere-htmlofficeservlet-arbitrary-file-upload", "tags": ["third-party-advisory"]}, {"url": "https://www.vulncheck.com/advisories/seeyon-office-anywhere-oa-a8-unauthenticated-arbitrary-file-write-via-htmlofficeservlet", "tags": ["third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "The Shadowserver Foundation", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}}}

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