How severe is CVE-2023-0493?

CVE-2023-0493 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2023-0493 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0493?

CVE-2023-0493 affects Btcpayserver Btcpay Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0493?

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

When was CVE-2023-0493 published?

CVE-2023-0493 was published on 2023-01-26 and last updated on 2026-06-17.

CVE-2023-0493

CVE-2023-0493 is a medium-severity vulnerability in Btcpayserver Btcpay Server with a CVSS 3.x base score of 5.3. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Btcpayserver Btcpay Server
Published: 2023-01-26
Last modified: 2026-06-17

Description

Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to 1.7.5.

Frequently asked questions

What is CVE-2023-0493?: Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to 1.7.5.
How severe is CVE-2023-0493?: CVE-2023-0493 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2023-0493 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0493?: CVE-2023-0493 affects Btcpayserver Btcpay Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0493?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-0493 published?: CVE-2023-0493 was published on 2023-01-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:btcpayserver:btcpay_server:*:*:*:*:*:*:*:*

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