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Vulnerability details: VCID-8x92-ah94-47f7
Vulnerability ID VCID-8x92-ah94-47f7
Aliases CVE-2017-18078
Summary systemd: Unsafe handling of hard links allowing privilege escalation
Status Published
Exploitability 2.0
Weighted Severity 8.0
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
System Score Found at
cvssv3 6.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-18078.json
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2017-18078
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2017-18078
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2017-18078
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2017-18078
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2017-18078
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2017-18078
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2017-18078
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2017-18078
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2017-18078
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2017-18078
cvssv3 7.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
archlinux High https://security.archlinux.org/AVG-621
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-18078.json
https://api.first.org/data/v1/epss?cve=CVE-2017-18078
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18078
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1539758 https://bugzilla.redhat.com/show_bug.cgi?id=1539758
AVG-621 https://security.archlinux.org/AVG-621
CVE-2017-18078 Exploit http://seclists.org/oss-sec/2018/q1/115
CVE-2017-18078 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/43935.txt
Data source Exploit-DB
Date added Jan. 31, 2018
Description systemd (systemd-tmpfiles) < 236 - 'fs.protected_hardlinks=0' Local Privilege Escalation
Ransomware campaign use Unknown
Source publication date Jan. 29, 2018
Exploit type local
Platform linux
Source update date Jan. 31, 2018
Source URL http://seclists.org/oss-sec/2018/q1/115
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-18078.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.24599
EPSS Score 0.00084
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:26:39.166166+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-18078.json 38.0.0