How severe is CVE-2017-18925?

CVE-2017-18925 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-18925 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18925?

CVE-2017-18925 affects Openr Opentmpfiles. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18925?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-18925 published?

CVE-2017-18925 was published on 2020-10-26 and last updated on 2026-06-17.

CVE-2017-18925

CVE-2017-18925 is a medium-severity vulnerability in Openr Opentmpfiles with a CVSS 3.x base score of 5.5. 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-59.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Openr Opentmpfiles
Published: 2020-10-26
Last modified: 2026-06-17

Description

opentmpfiles through 0.3.1 allows local users to take ownership of arbitrary files because d entries are mishandled and allow a symlink attack.

Frequently asked questions

What is CVE-2017-18925?: opentmpfiles through 0.3.1 allows local users to take ownership of arbitrary files because d entries are mishandled and allow a symlink attack.
How severe is CVE-2017-18925?: CVE-2017-18925 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-18925 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18925?: CVE-2017-18925 affects Openr Opentmpfiles. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18925?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-18925 published?: CVE-2017-18925 was published on 2020-10-26 and last updated on 2026-06-17.

References

https://github.com/OpenRC/opentmpfiles/issues/4

Affected products (1)

cpe:2.3:a:openr:opentmpfiles:*:*:*:*:*:*:*:*

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