Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 allow Directory Traversal.
Conclusion & alert: CVE-2019-12990 is rated High Exploit Risk (88.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 90.79%, 100th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-05-25 | 91.21% | 90.79% | -0.43% |
| 2 | 2026-04-20 | 91.54% | 91.21% | -0.33% |
| 3 | 2026-04-12 | — | 91.54% | — |
Full EPSS history (39 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| citrix | netscaler_sd-wan | >= 10.0, < 10.0.8 | cpe:2.3:a:citrix:netscaler_sd-wan:*:*:*:*:*:*:*:* |
| citrix | sd-wan | >= 10.2, < 10.2.3 | cpe:2.3:a:citrix:sd-wan:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/109133 | Third Party Advisory VDB Entry |
| https://support.citrix.com/search?searchQuery=%2A&lang=en&sort=relevance&prod=&pver=&ct=Security+Bulletin | |
| https://www.tenable.com/security/research/tra-2019-31 | Exploit Third Party Advisory |