CVE-2025-27457

MEDIUMNVD 6.56.5—Trending — 3 sources updated this week

6.5

All communication between the VNC server and client(s) is unencrypted. This allows an attacker to intercept the traffic and obtain sensitive data.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 36.1%
KEV: Not listed

Published

July 3, 2025

Last Modified

February 6, 2026

References (7)

psirt@sickhttps://sick.com/psirt
psirt@sickhttps://sick.com/psirt
psirt@sickhttps://www.cisa.gov/resources-tools/resources/ics-recommended-practices
psirt@sickhttps://www.endress.com
psirt@sickhttps://www.first.org/cvss/calculator/3.1
psirt@sickhttps://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.json
psirt@sickhttps://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.pdf

Weakness Classification(1)

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

CWE-319Cleartext Transmission of Sensitive Information

Data Freshness Timeline

(refreshed 12× in last 7d / 12× 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.

2026-06-04 13:12 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 02:39 UTCEG score recompute
2026-05-30 02:39 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-27457?

CVE-2025-27457 is a medium vulnerability published on July 3, 2025. All communication between the VNC server and client(s) is unencrypted. This allows an attacker to intercept the traffic and obtain sensitive data.

When was CVE-2025-27457 disclosed?

CVE-2025-27457 was first published in the National Vulnerability Database on July 3, 2025, with the most recent update on February 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-27457 actively exploited?

CVE-2025-27457 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 36.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-27457?

CVE-2025-27457 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2025-27457?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-27457, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-27457

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CVE-2025-27457

📅 Published

🔄 Last Modified

🔗 References (7)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-27457?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (7)

Frequently asked(5)

Related CVEs(same CWE)