How severe is CVE-2023-45279?

CVE-2023-45279 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-45279 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45279?

CVE-2023-45279 affects Spaceapplications Yamcs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-45279?

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

When was CVE-2023-45279 published?

CVE-2023-45279 was published on 2023-10-19 and last updated on 2026-06-17.

CVE-2023-45279

CVE-2023-45279 is a medium-severity vulnerability in Spaceapplications Yamcs with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Spaceapplications Yamcs
Published: 2023-10-19
Last modified: 2026-06-17

Description

Yamcs 5.8.6 allows XSS (issue 1 of 2). It comes with a Bucket as its primary storage mechanism. Buckets allow for the upload of any file. There's a way to upload a display referencing a malicious JavaScript file to the bucket. The user can then open the uploaded display by selecting Telemetry from the menu and navigating to the display.

Frequently asked questions

What is CVE-2023-45279?: Yamcs 5.8.6 allows XSS (issue 1 of 2). It comes with a Bucket as its primary storage mechanism. Buckets allow for the upload of any file. There's a way to upload a display referencing a malicious JavaScript file to the bucket. The user can then open the uploaded display by selecting Telemetry from the menu and navigating to the display.
How severe is CVE-2023-45279?: CVE-2023-45279 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-45279 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45279?: CVE-2023-45279 affects Spaceapplications Yamcs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-45279?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-45279 published?: CVE-2023-45279 was published on 2023-10-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:spaceapplications:yamcs:5.8.6:*:*:*:*:*:*:*

More vulnerabilities in Spaceapplications Yamcs

CVE-2023-45278 — Critical (CVSS 9.1): Directory Traversal vulnerability in the storage functionality of the API in Yamcs 5.8.6 allows attackers to delete…
CVE-2023-45277 — High (CVSS 7.5): Yamcs 5.8.6 is vulnerable to directory traversal (issue 1 of 2). The vulnerability is in the storage functionality of…
CVE-2023-45281 — Medium (CVSS 6.1): An issue in Yamcs 5.8.6 allows attackers to obtain the session cookie via upload of crafted HTML file.
CVE-2023-45280 — Medium (CVSS 5.4): Yamcs 5.8.6 allows XSS (issue 2 of 2). It comes with a Bucket as its primary storage mechanism. Buckets allow for the…

All CVEs affecting Spaceapplications Yamcs →

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