How severe is CVE-2023-33477?

CVE-2023-33477 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 high, integrity none, and availability none.

Is CVE-2023-33477 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-2023-33477?

CVE-2023-33477 affects Harmonicinc Nsg 9000-6g Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33477?

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

When was CVE-2023-33477 published?

CVE-2023-33477 was published on 2023-06-06 and last updated on 2026-06-17.

CVE-2023-33477

CVE-2023-33477 is a medium-severity vulnerability in Harmonicinc Nsg 9000-6g Firmware 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Harmonicinc Nsg 9000-6g Firmware
Published: 2023-06-06
Last modified: 2026-06-17

Description

In Harmonic NSG 9000-6G devices, an authenticated remote user can obtain source code by directly requesting a special path.

Frequently asked questions

What is CVE-2023-33477?: In Harmonic NSG 9000-6G devices, an authenticated remote user can obtain source code by directly requesting a special path.
How severe is CVE-2023-33477?: CVE-2023-33477 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 high, integrity none, and availability none.
Is CVE-2023-33477 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-2023-33477?: CVE-2023-33477 affects Harmonicinc Nsg 9000-6g Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33477?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-33477 published?: CVE-2023-33477 was published on 2023-06-06 and last updated on 2026-06-17.

References

https://github.com/Skr11lex/CVE-2023-33477

Affected products (1)

cpe:2.3:o:harmonicinc:nsg_9000-6g_firmware:-:*:*:*:*:*:*:*

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