CVE-2016-6566: The valueAsString parameter inside the JSON payload contained by the ucLogin_txtLoginId_ClientStat POST parame
CVE-2016-6566 is a critical-severity flaw (CVSS 9.8) affecting etrakit3. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The valueAsString parameter inside the JSON payload contained by the ucLogin_txtLoginId_ClientStat POST parameter of the Sungard eTRAKiT3 software version 3.2.1.17 is not properly validated. An unauthenticated remote attacker may be able to modify the POST request and insert a SQL query which may then be executed by the backend server. eTRAKiT 3.2.1.17 was tested, but other versions may also be vulnerable.
Why this priority
- Critical severity
- EPSS top 4%: very likely to be exploited
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 11.6% (top 4%) |
| CISA exploited list | No |
| Weakness | CWE-89 |
| Published | 2018-07-13 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Exploit-DB: Sungard eTRAKiT3 <= 3.2.1.17 - SQL Injection
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2016-6566?
etrakit3: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2016-6566 being exploited?
CVE-2016-6566 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2016-6566 affect?
CVE-2016-6566 affects etrakit3. Severity is critical (CVSS 9.8). The valueAsString parameter inside the JSON payload contained by the ucLogin_txtLoginId_ClientStat POST parameter of the Sungard eTRAKiT3 software version 3.2.1.17 is not properly validated. An unauthenticated remote attacker may be able to
How urgent is CVE-2016-6566?
Priority 68/100. Critical severity; EPSS top 4%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action