How severe is CVE-2018-19045?

CVE-2018-19045 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-19045 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19045?

CVE-2018-19045 affects Keepalived. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19045?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-19045 published?

CVE-2018-19045 was published on 2018-11-08 and last updated on 2026-06-17.

CVE-2018-19045

CVE-2018-19045 is a high-severity vulnerability in Keepalived with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Keepalived
Published: 2018-11-08
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2018-19045?: keepalived 2.0.8 used mode 0666 when creating new temporary files upon a call to PrintData or PrintStats, potentially leaking sensitive information.
How severe is CVE-2018-19045?: CVE-2018-19045 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-19045 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19045?: CVE-2018-19045 affects Keepalived. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19045?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-19045 published?: CVE-2018-19045 was published on 2018-11-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:keepalived:keepalived:2.0.8:*:*:*:*:*:*:*

More vulnerabilities in Keepalived

CVE-2018-19115 — Critical (CVSS 9.8): keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly…
CVE-2021-44225 — Medium (CVSS 5.4): In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message destination, allowing any user…
CVE-2018-19046 — Medium (CVSS 4.7): keepalived 2.0.8 didn't check for existing plain files when writing data to a temporary file upon a call to PrintData…
CVE-2018-19044 — Medium (CVSS 4.7): keepalived 2.0.8 didn't check for pathnames with symlinks when writing data to a temporary file upon a call to…
CVE-2011-1784 — Low (CVSS 3.6): The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the (1)…

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