CVE-2023-43121
CVE-2023-43121 is a high-severity vulnerability in Extremenetworks Exos 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% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Extremenetworks Exos
- Published:
- Last modified:
Description
A Directory Traversal vulnerability discovered in Chalet application in Extreme Networks Switch Engine (EXOS) before 32.5.1.5, before 22.7, and before 31.7.2 allows attackers to read arbitrary files.
Frequently asked questions
- What is CVE-2023-43121?
- A Directory Traversal vulnerability discovered in Chalet application in Extreme Networks Switch Engine (EXOS) before 32.5.1.5, before 22.7, and before 31.7.2 allows attackers to read arbitrary files.
- How severe is CVE-2023-43121?
- CVE-2023-43121 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-2023-43121 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-43121?
- CVE-2023-43121 affects Extremenetworks Exos. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-43121?
- 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-2023-43121 published?
- CVE-2023-43121 was published on 2023-10-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:extremenetworks:exos:*:*:*:*:*:*:*:*
More vulnerabilities in Extremenetworks Exos
- CVE-2023-43119 — Critical (CVSS 9.8): An Access Control issue discovered in Extreme Networks Switch Engine (EXOS) before 32.5.1.5, also fixed in 22.7, 31.7.2…
- CVE-2023-43118 — High (CVSS 8.8): Cross Site Request Forgery (CSRF) vulnerability in Chalet application in Extreme Networks Switch Engine (EXOS) before…
- CVE-2023-43120 — High (CVSS 8.8): An issue discovered in Extreme Networks Switch Engine (EXOS) before 32.5.1.5, before 22.7 and before 31.7.1 allows…
- CVE-2013-7309 — Medium (CVSS 5.4): The OSPF implementation in Extreme Networks EXOS does not consider the possibility of duplicate Link State ID values in…
All CVEs affecting Extremenetworks Exos →
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