CVE-2020-7036
CVE-2020-7036 is a high-severity vulnerability in Avaya Callback Assist with a CVSS 3.x base score of 8.1. 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-611.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-611
- Affected product: Avaya Callback Assist
- Published:
- Last modified:
Description
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 7.
Frequently asked questions
- What is CVE-2020-7036?
- 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 7.
- How severe is CVE-2020-7036?
- CVE-2020-7036 has a CVSS 3.x base score of 8.1, 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 none, and availability high.
- Is CVE-2020-7036 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-7036?
- CVE-2020-7036 primarily affects Avaya Callback Assist. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-7036?
- 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-2020-7036 published?
- CVE-2020-7036 was published on 2021-04-23 and last updated on 2026-06-17.
References
Affected products (8)
- cpe:2.3:a:avaya:callback_assist:*:*:*:*:*:*:*:*
- cpe:2.3:a:avaya:callback_assist:4.7.1.1:-:*:*:*:*:*:*
- cpe:2.3:a:avaya:callback_assist:4.7.1.1:patch1:*:*:*:*:*:*
- cpe:2.3:a:avaya:callback_assist:4.7.1.1:patch2:*:*:*:*:*:*
- cpe:2.3:a:avaya:callback_assist:4.7.1.1:patch3:*:*:*:*:*:*
- cpe:2.3:a:avaya:callback_assist:4.7.1.1:patch4:*:*:*:*:*:*
- cpe:2.3:a:avaya:callback_assist:4.7.1.1:patch5:*:*:*:*:*:*
- cpe:2.3:a:avaya:callback_assist:4.7.1.1:patch6:*:*:*:*:*:*
Other CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities
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- CVE-2015-9280 — Critical (CVSS 10.0): MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.
- CVE-2018-1000838 — Critical (CVSS 10.0): autopsy version <= 4.9.0 contains a XML External Entity (XXE) vulnerability in CaseMetadata XML Parser that can result…
- CVE-2018-1000837 — Critical (CVSS 10.0): UML Designer version <= 8.0.0 contains a XML External Entity (XXE) vulnerability in XML parser for plugins that can…
- CVE-2018-1000835 — Critical (CVSS 10.0): KeePassDX version <= 2.5.0.0beta17 contains a XML External Entity (XXE) vulnerability in kdbx file parser that can…
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