CVE-2017-18078

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.06% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 64.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Moderate. 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

2018-01-29 05:00Z8 YR AGO

Last updated

2024-08-05 21:13Z2 YR AGO

Reserved

2018-01-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-59Improper Link Resolution Before File Access ('Link Following')Base
• CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase

Data version

5.1

Document digest

2604f157f1a139b4807d8e56f4cd78b504f16718125aeb0518c8747dc4275081

• lists.opensuse.orgopenSUSE-SU-2018:0560http://lists.opensuse.org/opensuse-updates/2018-02/msg00109.htmlvendor-advisoryx_refsource_SUSE
• www.openwall.com[oss-security] 20180129 CVE-2018-18078: systemd-tmpfiles root privilege escalation with fs.protected_hardlinks=0http://www.openwall.com/lists/oss-security/2018/01/29/3mailing-listx_refsource_MLIST
• www.exploit-db.com43935https://www.exploit-db.com/exploits/43935/exploitx_refsource_EXPLOIT-DB
• github.comhttps://github.com/systemd/systemd/issues/7736x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/146184/systemd-Local-Privilege-Escalation.htmlx_refsource_MISC
• www.openwall.com[oss-security] 20180129 Re: CVE-2017-18078: systemd-tmpfiles root privilegehttps://www.openwall.com/lists/oss-security/2018/01/29/4mailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20190424 [SECURITY] [DLA 1762-1] systemd security updatehttps://lists.debian.org/debian-lts-announce/2019/04/msg00022.htmlmailing-listx_refsource_MLIST
• lists.apache.org[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3Emailing-listx_refsource_MLIST