How severe is CVE-2023-28371?

CVE-2023-28371 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-28371 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28371?

CVE-2023-28371 affects Stellarium. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28371?

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

When was CVE-2023-28371 published?

CVE-2023-28371 was published on 2023-03-15 and last updated on 2026-06-17.

CVE-2023-28371

CVE-2023-28371 is a critical-severity vulnerability in Stellarium with a CVSS 3.x base score of 9.8. 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Stellarium
Published: 2023-03-15
Last modified: 2026-06-17

Description

In Stellarium through 1.2, attackers can write to files that are typically unintended, such as ones with absolute pathnames or .. directory traversal.

Frequently asked questions

What is CVE-2023-28371?: In Stellarium through 1.2, attackers can write to files that are typically unintended, such as ones with absolute pathnames or .. directory traversal.
How severe is CVE-2023-28371?: CVE-2023-28371 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-28371 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28371?: CVE-2023-28371 affects Stellarium. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28371?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-28371 published?: CVE-2023-28371 was published on 2023-03-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:stellarium:stellarium:*:*:*:*:*:*:*:*

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