How severe is CVE-2023-0476?

CVE-2023-0476 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-0476 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0476?

CVE-2023-0476 affects Tenable Tenable.sc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0476?

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

When was CVE-2023-0476 published?

CVE-2023-0476 was published on 2023-01-26 and last updated on 2026-06-17.

CVE-2023-0476

CVE-2023-0476 is a medium-severity vulnerability in Tenable Tenable.sc with a CVSS 3.x base score of 6.5. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Tenable Tenable.sc
Published: 2023-01-26
Last modified: 2026-06-17

Description

A LDAP injection vulnerability exists in Tenable.sc due to improper validation of user-supplied input before returning it to users. An authenticated attacker could generate data in Active Directory using the application account through blind LDAP injection.

Frequently asked questions

What is CVE-2023-0476?: A LDAP injection vulnerability exists in Tenable.sc due to improper validation of user-supplied input before returning it to users. An authenticated attacker could generate data in Active Directory using the application account through blind LDAP injection.
How severe is CVE-2023-0476?: CVE-2023-0476 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-0476 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0476?: CVE-2023-0476 affects Tenable Tenable.sc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0476?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-0476 published?: CVE-2023-0476 was published on 2023-01-26 and last updated on 2026-06-17.

References

https://www.tenable.com/security/tns-2023-03

Affected products (1)

cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:*

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