How severe is CVE-2023-47577?

CVE-2023-47577 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-47577 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-47577?

CVE-2023-47577 primarily affects Relyum Rely-pcie Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-47577?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-47577 published?

CVE-2023-47577 was published on 2023-12-13 and last updated on 2026-06-17.

CVE-2023-47577

CVE-2023-47577 is a critical-severity vulnerability in Relyum Rely-pcie Firmware with a CVSS 3.x base score of 9.8. 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-522.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Relyum Rely-pcie Firmware
Published: 2023-12-13
Last modified: 2026-06-17

Description

An issue discovered in Relyum RELY-PCIe 22.2.1 and RELY-REC 23.1.0 allows for unauthorized password changes due to no check for current password.

Frequently asked questions

What is CVE-2023-47577?: An issue discovered in Relyum RELY-PCIe 22.2.1 and RELY-REC 23.1.0 allows for unauthorized password changes due to no check for current password.
How severe is CVE-2023-47577?: CVE-2023-47577 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-47577 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-47577?: CVE-2023-47577 primarily affects Relyum Rely-pcie Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-47577?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-47577 published?: CVE-2023-47577 was published on 2023-12-13 and last updated on 2026-06-17.

References

https://www.relyum.com/web/support/vulnerability-report/

Affected products (2)

cpe:2.3:o:relyum:rely-pcie_firmware:22.2.1:*:*:*:*:*:*:*
cpe:2.3:o:relyum:rely-rec_firmware:23.1.0:*:*:*:*:*:*:*

More vulnerabilities in Relyum Rely-pcie Firmware

CVE-2024-44577 — High (CVSS 8.8): RELY-PCIe v22.2.1 to v23.1.0 was discovered to contain a command injection vulnerability via the time_date function.
CVE-2024-44574 — High (CVSS 8.8): RELY-PCIe v22.2.1 to v23.1.0 was discovered to contain a command injection vulnerability via the sys_conf function.
CVE-2024-44572 — High (CVSS 8.8): RELY-PCIe v22.2.1 to v23.1.0 was discovered to contain a command injection vulnerability via the sys_mgmt function.
CVE-2024-44571 — High (CVSS 8.8): RELY-PCIe v22.2.1 to v23.1.0 was discovered to contain incorrect access control in the mService function at phpinf.php.
CVE-2024-44570 — High (CVSS 8.8): RELY-PCIe v22.2.1 to v23.1.0 was discovered to contain a code injection vulnerability via the getParams function in…
CVE-2023-47578 — High (CVSS 8.8): Relyum RELY-PCIe 22.2.1 and RELY-REC 23.1.0 devices are susceptible to Cross Site Request Forgery (CSRF) attacks due to…

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