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Fencer Vulns
medium 5.5

CVE-2020-13883 json

In WSO2 API Manager 3.0.0 and earlier, WSO2 API Microgateway 2.2.0, and WSO2 IS as Key Manager 5.9.0 and earlier, Management Console allows…

published 2020-06-06 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6091

cvss
5.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

In WSO2 API Manager 3.0.0 and earlier, WSO2 API Microgateway 2.2.0, and WSO2 IS as Key Manager 5.9.0 and earlier, Management Console allows XXE during addition or update of a Lifecycle.

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 5.5 CVSS:3.0/AC:L/AV:N/A:H/C:L/I:N/PR:H/S:U/UI:N
NVD 3.1 6.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H
CNA 3.0 5.5 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

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.