CVE-2018-6186
Citrix NetScaler VPX through NS12.0 53.13.nc allows an SSRF attack via the /rapi/read_url URI by an authenticated attacker who has a webapp account.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Citrix NetScaler VPX through NS12.0 53.13.nc allows an SSRF attack via the /rapi/read_url URI by an authenticated attacker who has a webapp account. The attacker can gain access to the nsroot account, and execute remote commands with root privileges.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.08% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- citrix/netscaler
- Source
- cve@mitre.org
EPSS 3.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/102915Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040440
- https://gist.github.com/buxu/04ce809eb8b32ef57e232eab5e61f023Third Party Advisory
- https://support.citrix.com/article/CTX232161
- http://www.securityfocus.com/bid/102915Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040440
- https://gist.github.com/buxu/04ce809eb8b32ef57e232eab5e61f023Third Party Advisory
- https://support.citrix.com/article/CTX232161
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.