CVE-2023-3253
CVE-2023-3253 is a medium-severity vulnerability in Tenable Nessus with a CVSS 3.x base score of 4.3. 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-863.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- EPSS exploit prediction: 0% (33rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-863
- Affected product: Tenable Nessus
- Published:
- Last modified:
Description
An improper authorization vulnerability exists where an authenticated, low privileged remote attacker could view a list of all the users available in the application.
Frequently asked questions
- What is CVE-2023-3253?
- An improper authorization vulnerability exists where an authenticated, low privileged remote attacker could view a list of all the users available in the application.
- How severe is CVE-2023-3253?
- CVE-2023-3253 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2023-3253 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-3253?
- CVE-2023-3253 affects Tenable Nessus. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-3253?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-3253 published?
- CVE-2023-3253 was published on 2023-08-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*
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