How severe is CVE-2025-48986?

CVE-2025-48986 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-48986 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-48986?

CVE-2025-48986 affects Revive-adserver Revive Adserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-48986?

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-2025-48986 have an EU (EUVD) identifier?

Yes. CVE-2025-48986 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198352.

When was CVE-2025-48986 published?

CVE-2025-48986 was published on 2025-11-20 and last updated on 2026-06-17.

CVE-2025-48986

CVE-2025-48986 is a high-severity vulnerability in Revive-adserver Revive Adserver with a CVSS 3.x base score of 8.8. 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-284.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198352
Weakness: CWE-284
Affected product: Revive-adserver Revive Adserver
Published: 2025-11-20
Last modified: 2026-06-17

Description

Authorization bypass in Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an logged in attacker to change other users' email address and potentialy take over their accounts using the forgot password functionality.

Frequently asked questions

What is CVE-2025-48986?: Authorization bypass in Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an logged in attacker to change other users' email address and potentialy take over their accounts using the forgot password functionality.
How severe is CVE-2025-48986?: CVE-2025-48986 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-48986 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-48986?: CVE-2025-48986 affects Revive-adserver Revive Adserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-48986?: 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-2025-48986 have an EU (EUVD) identifier?: Yes. CVE-2025-48986 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198352.
When was CVE-2025-48986 published?: CVE-2025-48986 was published on 2025-11-20 and last updated on 2026-06-17.

References

https://hackerone.com/reports/3398283

Affected products (1)

cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*

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