CVE-2021-25653
CVE-2021-25653 is a high-severity vulnerability in Avaya Aura Appliance Virtualization Platform with a CVSS 3.x base score of 8.0. 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-250.
Key facts
- Severity: High (CVSS 3.x base score 8.0)
- CVSS v2: 4.6
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-250
- Affected product: Avaya Aura Appliance Virtualization Platform
- Published:
- Last modified:
Description
A privilege escalation vulnerability was discovered in Avaya Aura Appliance Virtualization Platform Utilities (AVPU) that may potentially allow a local user to escalate privileges. Affects 8.0.0.0 through 8.1.3.1 versions of AVPU.
Frequently asked questions
- What is CVE-2021-25653?
- A privilege escalation vulnerability was discovered in Avaya Aura Appliance Virtualization Platform Utilities (AVPU) that may potentially allow a local user to escalate privileges. Affects 8.0.0.0 through 8.1.3.1 versions of AVPU.
- How severe is CVE-2021-25653?
- CVE-2021-25653 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-25653 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25653?
- CVE-2021-25653 affects Avaya Aura Appliance Virtualization Platform. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-25653?
- 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-2021-25653 published?
- CVE-2021-25653 was published on 2021-06-24 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:avaya:aura_appliance_virtualization_platform:*:*:*:*:*:*:*:*
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