How severe is CVE-2025-5471?

CVE-2025-5471 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-5471 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-5471?

CVE-2025-5471 affects Yandex Yandex Telemost. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-5471?

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.

Does CVE-2025-5471 have an EU (EUVD) identifier?

Yes. CVE-2025-5471 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202299.

When was CVE-2025-5471 published?

CVE-2025-5471 was published on 2025-12-09 and last updated on 2026-06-17.

CVE-2025-5471

CVE-2025-5471 is a high-severity vulnerability in Yandex Yandex Telemost with a CVSS 3.x base score of 7.8. 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-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 7.3
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202299
Weakness: CWE-427
Affected product: Yandex Yandex Telemost
Published: 2025-12-09
Last modified: 2026-06-17

Description

Uncontrolled Search Path Element vulnerability in Yandex Telemost on MacOS allows Search Order Hijacking.This issue affects Telemost: before 2.19.1.

Frequently asked questions

What is CVE-2025-5471?: Uncontrolled Search Path Element vulnerability in Yandex Telemost on MacOS allows Search Order Hijacking.This issue affects Telemost: before 2.19.1.
How severe is CVE-2025-5471?: CVE-2025-5471 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-5471 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5471?: CVE-2025-5471 affects Yandex Yandex Telemost. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-5471?: 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.
Does CVE-2025-5471 have an EU (EUVD) identifier?: Yes. CVE-2025-5471 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202299.
When was CVE-2025-5471 published?: CVE-2025-5471 was published on 2025-12-09 and last updated on 2026-06-17.

References

https://yandex.com/bugbounty/i/hall-of-fame-products

Affected products (1)

cpe:2.3:a:yandex:yandex_telemost:*:*:*:*:*:macos:*:*

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