CVE-2015-20122

Seeyon A6 OA Unauthenticated SQL Injection via downloadAtt.jsp

Published Sep 29, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
Seeyon A6 collaborative office automation platform contains an unauthenticated SQL injection vulnerability in the attach_ids parameter of the file attachment download endpoint that allows remote attackers to extract arbitrary database contents without prior authentication. Attackers can inject UNION-based SQL statements through the attach_ids request parameter in downloadAtt.jsp to retrieve sensitive information including credentials and system configuration data. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-17.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Yonyou
Yonyou a6 Oa
Vendors & Products Yonyou
Yonyou a6 Oa
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Seeyon A6 collaborative office automation platform contains an unauthenticated SQL injection vulnerability in the attach_ids parameter of the file attachment download endpoint that allows remote attackers to extract arbitrary database contents without prior authentication. Attackers can inject UNION-based SQL statements through the attach_ids request parameter in downloadAtt.jsp to retrieve sensitive information including credentials and system configuration data. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-17.
Title Seeyon A6 OA Unauthenticated SQL Injection via downloadAtt.jsp
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 29, 2026, 4:07 PM
Reserved
Sep 29, 2026, 2:50 PM
Status
Deferred
Published
Sep 29, 2026, 3:17 PM
Modified
Sep 30, 2026, 5:32 PM