CVE-2021-26627

HIGHNVD 7.57.5—

7.5

Real-time image information exposure is caused by insufficient authentication for activated RTSP port. This vulnerability could allow to remote attackers to send the RTSP requests using ffplay command and lead to leakage a live image.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 70.1%
KEV: Not listed

Published

April 19, 2022

Last Modified

November 21, 2024

References (2)

vuln@krcerthttps://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66663
af854a3a-2127-422b-91ae-364da2661108https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66663

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 16× 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 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 23:30 UTCEG score recompute
2026-05-25 23:30 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-26627?

CVE-2021-26627 is a high vulnerability published on April 19, 2022. Real-time image information exposure is caused by insufficient authentication for activated RTSP port. This vulnerability could allow to remote attackers to send the RTSP requests using ffplay command and lead to leakage a live image.

When was CVE-2021-26627 disclosed?

CVE-2021-26627 was first published in the National Vulnerability Database on April 19, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-26627 actively exploited?

CVE-2021-26627 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 70.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-26627?

CVE-2021-26627 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2021-26627?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-26627, 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-2021-26627

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-26627?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)