Cyber Resilience

CVE-2020-7036

High

Published: 23 April 2021

Published
23 April 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS Score 0.0024 47.7th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-7036 is a high-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Avaya Callback Assist. Its CVSS base score is 8.1 (High).

Operationally, ranked at the 47.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An XML External Entities (XXE)vulnerability in Callback Assist could allow an authenticated, remote attacker to gain read access to information that is stored on an affected system. The affected versions of Callback Assist includes all 4.0.x versions before 4.7.1.1 Patch…

more

7.

CWE(s)
CWE-611

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

avaya
callback assist
4.7.1.1 · 4.0.0 — 4.7.1.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-611

Penetration testing includes XML external entity payloads, detecting XXE vulnerabilities and enabling their mitigation.

SI-4 System Monitoring
addresses: CWE-611

Identifies XML external entity processing via monitoring of unusual file/network access or resource usage.

References