CVE-2018-15687

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• 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

1.05% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 64.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/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

2018-10-26 14:00Z8 YR AGO

Last updated

2025-06-09 15:48Z1 YR AGO

Reserved

2018-08-22

Assigning CNA

canonical

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
• CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase

Data version

5.1

Document digest

d70a4bd1b21968938ed452e317342a167a751fcd23557384cdba998c01a8f81a

• security.gentoo.orgGLSA-201810-10https://security.gentoo.org/glsa/201810-10vendor-advisoryx_refsource_GENTOO
• github.comhttps://github.com/systemd/systemd/pull/10517/commitsx_refsource_MISC
• www.securityfocus.com105748http://www.securityfocus.com/bid/105748vdb-entryx_refsource_BID
• usn.ubuntu.comUSN-3816-1https://usn.ubuntu.com/3816-1/vendor-advisoryx_refsource_UBUNTU
• www.exploit-db.com45715https://www.exploit-db.com/exploits/45715/exploitx_refsource_EXPLOIT-DB