CVEs / CVE-2019-12991
CVE-2019-12991: Citrix SD-WAN and NetScaler Command Injection Vulnerability
- Known exploited in the CISA KEV catalog since 25 Mar 2022
- high 8.8 CVSS 3.1 (NVD)
- EPSS 74.4% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Authenticated Command Injection in Citrix SD-WAN Appliance and NetScaler SD-WAN Appliance.
Description
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 5 of 6).
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 25 Mar 2022 |
|---|---|
| Due date for US federal agencies | 15 Apr 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-78 |
References
- CVE-2019-12991 on NVD
- CVE-2019-12991 in the CISA KEV catalog
- http://packetstormsecurity.com/files/153638/Citrix-SD-WAN-Appliance-10.2.2-Authentication-Bypass-Remote-Command-Execution.html Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/109133 Broken Link, Third Party Advisory, VDB Entry
- https://support.citrix.com/article/CTX251987 Vendor Advisory
- https://www.tenable.com/security/research/tra-2019-32 Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-12991 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.