CVE-2015-20122

High

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.

SeverityHigh
CVSS7.5
Exploit probability41. percentile0.5%
ProductA6 OA
PublishedSep 29, 2026
First seenSep 29, 2026
Weakness typeCWE-89SQL injection

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Yonyou A6 OANo range specified—

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