CVE-2023-45277
CVE-2023-45277 is a high-severity vulnerability in Spaceapplications Yamcs 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-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (59th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Spaceapplications Yamcs
- Published:
- Last modified:
Description
Yamcs 5.8.6 is vulnerable to directory traversal (issue 1 of 2). The vulnerability is in the storage functionality of the API and allows one to escape the base directory of the buckets, freely navigate system directories, and read arbitrary files.
Frequently asked questions
- What is CVE-2023-45277?
- Yamcs 5.8.6 is vulnerable to directory traversal (issue 1 of 2). The vulnerability is in the storage functionality of the API and allows one to escape the base directory of the buckets, freely navigate system directories, and read arbitrary files.
- How severe is CVE-2023-45277?
- CVE-2023-45277 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-2023-45277 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-45277?
- CVE-2023-45277 affects Spaceapplications Yamcs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-45277?
- 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-2023-45277 published?
- CVE-2023-45277 was published on 2023-10-19 and last updated on 2026-06-17.
References
- https://github.com/yamcs/yamcs/compare/yamcs-5.8.6...yamcs-5.8.7
- https://www.linkedin.com/pulse/yamcs-vulnerability-assessment-visionspace-technologies
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-2023-45281 — 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…
- CVE-2023-45279 — Medium (CVSS 5.4): Yamcs 5.8.6 allows XSS (issue 1 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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