In Signiant Manager+Agents before 13.5, the implementation of the set command has a Buffer Overflow.
Conclusion & alert: CVE-2019-8996 is rated High Risk (65.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.64%). Core evidence: EPSS rose +1.07% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.57% | 1.64% | +1.07% |
| 2 | 2025-03-30 | 1.48% | 0.57% | -0.91% |
| 3 | 2025-03-29 | — | 1.48% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| signiant | manager\+agents | < 13.5 | cpe:2.3:a:signiant:manager\+agents:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://help.signiant.com/flight-deck/general/release-notes-13-5 | Release Notes Vendor Advisory |
| https://help.signiant.com/manager-agents/installation/release-notes/ | Release Notes Vendor Advisory |