CVE-2018-15686 EXPLOIT
7.8
HIGH · CVSS 3.1 · EPSS 2.3% (pctl 82)
Patch early
A public exploit exists.
Description
A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.26% — more likely to be exploited than 82% of all CVEs |
| Weakness | CWE-502 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2018-10-26 |
| Last modified | 2026-06-17 |
Affected (4)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| debian | debian linux |
| oracle | communications cloud native core network function cloud native environment |
| systemd project | systemd |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | systemd - 'reexec' State Injection | 2018-10-29 |
References
- http://www.securityfocus.com/bid/105747
- https://access.redhat.com/errata/RHSA-2019:2091
- https://access.redhat.com/errata/RHSA-2019:3222
- https://access.redhat.com/errata/RHSA-2020:0593
- https://github.com/systemd/systemd/pull/10519
- https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html
- https://security.gentoo.org/glsa/201810-10
- https://usn.ubuntu.com/3816-1/
- https://www.exploit-db.com/exploits/45714/
- https://www.oracle.com//security-alerts/cpujul2021.html
- http://www.securityfocus.com/bid/105747
- https://access.redhat.com/errata/RHSA-2019:2091
- https://access.redhat.com/errata/RHSA-2019:3222
- https://access.redhat.com/errata/RHSA-2020:0593
- https://github.com/systemd/systemd/pull/10519
- https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html
- https://security.gentoo.org/glsa/201810-10
- https://usn.ubuntu.com/3816-1/
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