CVE-2020-36124Public exploitNetwork attack vector

Account impersonation via XML external entity file read

Published May 7, 2021 · Updated Aug 4, 2024

XXE in PAXSTORE 7.0.8_20200511171508 and earlier allows remote authenticated users to read files from the marketplace API server. Two developer-panel POST endpoints parse uploaded XML templates with external entities enabled, returning referenced local-file content in JSON. A developer account is required; exposed files include JWT signing keys that enable access-token forgery and impersonation of clients or administrators.

CVSS severity6.5
Medium
EPSS probability1.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XXE in PAXSTORE 7.0.8_20200511171508 and earlier allows remote authenticated users to read files from the marketplace API server. Two developer-panel POST endpoints parse uploaded XML templates with external entities enabled, returning referenced local-file content in JSON. A developer account is required; exposed files include JWT signing keys that enable access-token forgery and impersonation of clients or administrators.

The record

CVE
CVE-2020-36124
Published
May 7, 2021
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-611, T1190, T1552.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 7, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.0NIST National Vulnerability DatabaseAV:N/AC:L/Au:S/C:P/I:N/A:N
6.5NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-611Improper Restriction of XML External Entity Reference
T1190Exploit Public-Facing Application
T1552.004Unsecured Credentials: Private Keys

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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