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Fencer Vulns
medium 6.5

CVE-2020-7032 json

Avaya WebLM Improper Restriction of XML External Entity Reference

published 2020-11-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28166

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

An XML external entity (XXE) vulnerability in Avaya WebLM admin interface allows authenticated users to read arbitrary files or conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request. Affected versions of Avaya WebLM include: 7.0 through 7.1.3.6 and 8.0 through 8.1.2.

Patch / fix

  • Avaya WebLM 7.1.3.6, 8.1.2
  • Avaya System Manager 7.1.3.6, 8.1.2

Exploit prediction

2.90% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • seclists.org http://seclists.org/fulldisclosure/2020/Nov/31 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/160123/Avaya-Web-License-Manager-XML-Injection.html referenced PoC, tagged "exploit" by a source, unverified
  • sec-consult.com https://sec-consult.com/vulnerability-lab/advisory/blind-out-of-band-xml-external-entity-injection-in-avaya-web-license-manager/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
NVD 2.0 5.5 AV:N/AC:L/Au:S/C:P/I:N/A:P

Affected products

  • Avaya WebLM
  • Avaya System Manager

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.