Skip to content
Fencer Vulns
high 7.5

CVE-2018-19045 json

keepalived 2.0.8 used mode 0666 when creating new temporary files upon a call to PrintData or PrintStats, potentially leaking sensitive inf…

published 2018-11-08 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-10763

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

keepalived 2.0.8 used mode 0666 when creating new temporary files upon a call to PrintData or PrintStats, potentially leaking sensitive information.

Patch / fix

  • keepalived Debian 14, Debian 13, Debian 12 1:2.0.10-1

debian advisories DEBIAN-CVE-2018-19045

  • keepalived SLE High Availability Extension 15 SP1 2.0.19-3.3.1

suse advisories SUSE-SU-2020:0779-1

  • keepalived openSUSE Tumbleweed 2.2.2-4.2

opensuse advisories openSUSE-SU-2024:10893-1

  • keepalived Alpine 3.24, Alpine 3.23, Alpine 3.22 +14 more 2.0.11-r0

alpine advisories ALPINE-CVE-2018-19045

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-19045 updated cvss 7.1

keepalived: Insecure permissions when creating new temporary files allows for leaking of sensitive data

  • Red Hat Enterprise Linux 6 keepalived Red Hat Enterprise Linux 7 keepalived Red Hat Enterprise Linux 8 keepalived
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.38% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/acassen/keepalived/issues/1048 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.