How severe is CVE-2018-0023?

CVE-2018-0023 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-2018-0023 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0023?

CVE-2018-0023 affects Juniper Jsnapy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-0023?

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

When was CVE-2018-0023 published?

CVE-2018-0023 was published on 2018-04-11 and last updated on 2026-06-17.

CVE-2018-0023

CVE-2018-0023 is a medium-severity vulnerability in Juniper Jsnapy 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-276.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Juniper Jsnapy
Published: 2018-04-11
Last modified: 2026-06-17

Description

JSNAPy is an open source python version of Junos Snapshot Administrator developed by Juniper available through github. The default configuration and sample files of JSNAPy automation tool versions prior to 1.3.0 are created world writable. This insecure file and directory permission allows unprivileged local users to alter the files under this directory including inserting operations not intended by the package maintainer, system administrator, or other users. This issue only affects users who downloaded and installed JSNAPy from github.

Frequently asked questions

What is CVE-2018-0023?: JSNAPy is an open source python version of Junos Snapshot Administrator developed by Juniper available through github. The default configuration and sample files of JSNAPy automation tool versions prior to 1.3.0 are created world writable. This insecure file and directory permission allows unprivileged local users to alter the files under this directory including inserting operations not intended by the package maintainer, system administrator, or other users. This issue only affects users who downloaded and installed JSNAPy from github.
How severe is CVE-2018-0023?: CVE-2018-0023 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-2018-0023 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0023?: CVE-2018-0023 affects Juniper Jsnapy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-0023?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-0023 published?: CVE-2018-0023 was published on 2018-04-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:juniper:jsnapy:*:*:*:*:*:*:*:*

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