Seeyon A6 OA Unauthenticated SQL Injection via downloadAtt.jsp
Published Sep 29, 2026
8.7
HIGHCVSS 4.0
EPSS 0.48%
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.
Affected products
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Sep 29, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Not enough EPSS history yet for a chart. At least two recorded scores are needed.
Percentile over time
Not enough EPSS history yet for a chart. At least two recorded scores are needed.
References (3)
- https://qkl.seebug.org/vuldb/ssvid-89642 third-party-advisory
- https://www.ddpoc.com/poc/DVB-2021-2211.html exploitthird-party-advisory
- https://www.vulncheck.com/advisories/seeyon-a6-oa-unauthenticated-sql-injection-via-downloadatt-jsp third-party-advisory
| Link | Providers | Tags |
|---|---|---|
| https://qkl.seebug.org/vuldb/ssvid-89642 | third-party-advisory | |
| https://www.ddpoc.com/poc/DVB-2021-2211.html | exploitthird-party-advisory | |
| https://www.vulncheck.com/advisories/seeyon-a6-oa-unauthenticated-sql-injection-via-downloadatt-jsp | third-party-advisory |
Change history (0)
No recorded changes yet.