How severe is CVE-2021-26627?

CVE-2021-26627 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-26627 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26627?

CVE-2021-26627 primarily affects Qcp Qcp200w Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-26627?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-26627 published?

CVE-2021-26627 was published on 2022-04-19 and last updated on 2026-06-17.

CVE-2021-26627

CVE-2021-26627 is a high-severity vulnerability in Qcp Qcp200w Firmware with a CVSS 3.x base score of 7.5. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Qcp Qcp200w Firmware
Published: 2022-04-19
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-26627?: 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.
How severe is CVE-2021-26627?: CVE-2021-26627 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-26627 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26627?: CVE-2021-26627 primarily affects Qcp Qcp200w Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-26627?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-26627 published?: CVE-2021-26627 was published on 2022-04-19 and last updated on 2026-06-17.

References

https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66663

Affected products (2)

cpe:2.3:o:qcp:qcp200w_firmware:-:*:*:*:*:android:*:*
cpe:2.3:o:qcp:qcp200w_firmware:-:*:*:*:*:windows:*:*

Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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