CVE-2019-12988 in the critical feed json
Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 4 of 6).
published 2019-07-16 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4563
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 42.6%
- EPSS 42.6% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 4 of 6).
Patch / fix
- citrix netscaler_sd-wan 10.0.8
- citrix sd-wan 10.2.3
Exploit prediction
42.55% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Citrix SD-WAN Center - Remote Command Injection nuclei detection template
- tenable.com https://www.tenable.com/security/research/tra-2019-31 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
tenable.com
/security/research/tra-2019-31
exploit, third-party-advisory
-
support.citrix.com
/article/CTX251987
vendor-advisory
-
securityfocus.com
/bid/109133
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2019-12988
- NVD CVE-2019-12988
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.