CVE-2018-15688

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

1.66% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 76.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/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

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

2018-10-26 14:00Z8 YR AGO

Last updated

2025-06-09 15:55Z1 YR AGO

Reserved

2018-08-22

Assigning CNA

canonical

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
• CWE-131Incorrect Calculation of Buffer SizeBase

Data version

5.1

Document digest

62561c99c65859cfd13216f8ed466b07cb0bbebf4657a2ef6e2d8501f039958e

• security.gentoo.orgGLSA-201810-10https://security.gentoo.org/glsa/201810-10vendor-advisoryx_refsource_GENTOO
• lists.debian.org[debian-lts-announce] 20181119 [SECURITY] [DLA 1580-1] systemd security updatehttps://lists.debian.org/debian-lts-announce/2018/11/msg00017.htmlmailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-3807-1https://usn.ubuntu.com/3807-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-3806-1https://usn.ubuntu.com/3806-1/vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2018:3665https://access.redhat.com/errata/RHSA-2018:3665vendor-advisoryx_refsource_REDHAT
• www.securityfocus.com105745http://www.securityfocus.com/bid/105745vdb-entryx_refsource_BID
• github.comhttps://github.com/systemd/systemd/pull/10518x_refsource_MISC
• access.redhat.comRHSA-2019:0049https://access.redhat.com/errata/RHSA-2019:0049vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHBA-2019:0327https://access.redhat.com/errata/RHBA-2019:0327vendor-advisoryx_refsource_REDHAT