CVE-2015-20122 Seeyon A6 OA Unauthenticated SQL Injection via downloadAtt.jsp
Remote attackers can extract arbitrary database contents, including credentials, via unauthenticated SQL injection in the attachment download endpoint.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2015-20122?
CVE-2015-20122 is a high-severity SQL injection vulnerability in Yonyou A6 OA, published on 29 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-89
Which versions are affected by CVE-2015-20122?
How do I fix CVE-2015-20122?
No fix has been published for CVE-2015-20122 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2015-20122 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2015-20122 exists.
Sources
Also known as GHSA-jp76-j5hr-562v.