CVE-2026-51821

CRITICALCVSS 9.8/10EPSS 0.53%

Last modified

CVE-2026-51821 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. SQL Injection vulnerability in Shenzhou Shihan Video Conference System v.1.0 allows a remote attacker to execute arbitrary code via the /user/getUserLogin endpoint. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

SQL Injection vulnerability in Shenzhou Shihan Video Conference System v.1.0 allows a remote attacker to execute arbitrary code via the /user/getUserLogin endpoint

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.53%

41.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
n/a

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-51821?
SQL Injection vulnerability in Shenzhou Shihan Video Conference System v.1.0 allows a remote attacker to execute arbitrary code via the /user/getUserLogin endpoint
How severe is CVE-2026-51821?
CVE-2026-51821 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2026-51821?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST