CVE-2017-7494

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2023-03-30. Federal remediation due 2023-04-20. Known ransomware campaign use: reported by CISA.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

99.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.9% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2017-05-30 18:00Z9 YR AGO

Last updated

2025-10-21 23:55Z1 YR AGO

Reserved

2017-04-05

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-94Improper Control of Generation of Code ('Code Injection')Base

Data version

5.1

Document digest

a6f70f0b266a1ee024bfbe45b7fdfa341b07a0dafa38039983e075745dbf4a73

• www.securityfocus.com98636http://www.securityfocus.com/bid/98636vdb-entryx_refsource_BID
• www.debian.orgDSA-3860http://www.debian.org/security/2017/dsa-3860vendor-advisoryx_refsource_DEBIAN
• www.exploit-db.com42084https://www.exploit-db.com/exploits/42084/exploitx_refsource_EXPLOIT-DB
• access.redhat.comRHSA-2017:1270https://access.redhat.com/errata/RHSA-2017:1270vendor-advisoryx_refsource_REDHAT
• www.samba.orghttps://www.samba.org/samba/security/CVE-2017-7494.htmlx_refsource_CONFIRM
• download.schneider-electric.comhttps://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD-2018-095-01+Security+Notification+Umotion+V1.1.pdf&p_Doc_Ref=SEVD-2018-095-01x_refsource_MISC
• access.redhat.comRHSA-2017:1390https://access.redhat.com/errata/RHSA-2017:1390vendor-advisoryx_refsource_REDHAT
• www.securitytracker.com1038552http://www.securitytracker.com/id/1038552vdb-entryx_refsource_SECTRACK
• access.redhat.comRHSA-2017:1273https://access.redhat.com/errata/RHSA-2017:1273vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2017:1271https://access.redhat.com/errata/RHSA-2017:1271vendor-advisoryx_refsource_REDHAT
• security.gentoo.orgGLSA-201805-07https://security.gentoo.org/glsa/201805-07vendor-advisoryx_refsource_GENTOO
• h20566.www2.hpe.comhttps://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03759en_usx_refsource_CONFIRM
• access.redhat.comRHSA-2017:1272https://access.redhat.com/errata/RHSA-2017:1272vendor-advisoryx_refsource_REDHAT
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20170524-0001/x_refsource_CONFIRM
• h20566.www2.hpe.comhttps://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03755en_usx_refsource_CONFIRM
• www.exploit-db.com42060https://www.exploit-db.com/exploits/42060/exploitx_refsource_EXPLOIT-DB
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7494government-resource