CVE-2023-49963

HIGHNVD 8.88.8—Elevated

8.8

DYMO LabelWriter Print Server through 2.366 contains a backdoor hard-coded password that could allow an attacker to take control.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 27.5%
KEV: Not listed

Published

April 19, 2024

Last Modified

April 15, 2026

Advisory Details (2)

Auto-updated May 22, 2026

No patch confirmed yet.

generic

Loudmouth Security | Ottawa's Elite Cyber Security Consultancy

https://loudmouth.io

generic

Loudmouth Security / vulnerability-disclosures / CVE-2023-49963 · GitLab

https://gitlab.com/loudmouth-security/vulnerability-disclosures/cve-2023-49963

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-259Use of Hard-coded Password

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
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2026-05-31 22:30 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
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2026-05-26 13:43 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2023-49963?

CVE-2023-49963 is a high vulnerability published on April 19, 2024. DYMO LabelWriter Print Server through 2.366 contains a backdoor hard-coded password that could allow an attacker to take control.

When was CVE-2023-49963 disclosed?

CVE-2023-49963 was first published in the National Vulnerability Database on April 19, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-49963 actively exploited?

CVE-2023-49963 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 27.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-49963?

CVE-2023-49963 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2023-49963?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-49963, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-49963

📅 Published

🔄 Last Modified

📋 Advisory Details (2)