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PostgreSQL CVE-2020-13692

HIGH
Improper Restriction of XML External Entity Reference (CWE-611)
2020-06-04 cve@mitre.org
PostgreSQL XXE Debian Debian Linux Fedora Postgresql Jdbc Driver Quarkus Steelstore Cloud Integrated Storage Netapp Fedoraproject
7.7
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-611
OWASP Top 10:2025
A02:2025 - Security Misconfiguration
ASVS 5.0
V13 - Configuration XML external entity prevention
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Collection

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 7.7 (HIGH). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived

A remote attacker could read arbitrary files or perform SSRF through XML processing by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 4.1% exploitation probability (EPSS)

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AnalysisAI

PostgreSQL JDBC Driver (aka PgJDBC) before 42.2.13 allows XXE. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, no authentication required. This XML External Entity (XXE) vulnerability could allow attackers to read arbitrary files or perform SSRF through XML processing.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Disable external entity processing in XML parsers, use JSON instead of XML where possible.

Affected Packages

maven org.postgresql:postgresql fix: 42.2.13

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in maven

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Technical ContextAI · show details

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. PostgreSQL JDBC Driver (aka PgJDBC) before 42.2.13 allows XXE. Affected products include: Postgresql Postgresql Jdbc Driver, Quarkus, Netapp Steelstore Cloud Integrated Storage, Fedoraproject Fedora, Debian Debian Linux. Version information: before 42.2.13.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 7.7 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
High

DescriptionNVD

PostgreSQL JDBC Driver (aka PgJDBC) before 42.2.13 allows XXE.

Threat Intelligence Overview

EPSS Score
4.1%
Top 10% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 4.1%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

42
Low Medium High Critical
KEV: 0
EPSS: +4
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

XML External Entity Injection HIGH

XML External Entity (XXE) attacks exploit XML parsers that process Document Type Definitions (DTDs) without proper restrictions.

Affected Products (CPE)NVD

cpe:2.3:a:postgresql:postgresql_jdbc_driver:*:*:*:*:*:*:*:*
cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

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References

Advisories & patches
PATCH https://github.com/pgjdbc/pgjdbc/commit/14b62aca4764d496813f55a43d050b017e01eb65 ADVISORY https://jdbc.postgresql.org/documentation/changelog.html#version_42.2.13 REF https://lists.apache.org/thread.html/r00bcc6b2da972e0d6332a4ebc7807e17305d8b8e7fb2ae63d2a3cbfb%40%3Ccommits.camel.apache.org%3E REF https://lists.apache.org/thread.html/r01ae1b3d981cf2e563e9b5b0a6ea54fb3cac8e9a0512ee5269e3420e%40%3Ccommits.camel.apache.org%3E REF https://lists.apache.org/thread.html/r0478a1aa9ae0dbd79d8f7b38d0d93fa933ac232e2b430b6f31a103c0%40%3Ccommits.camel.apache.org%3E REF https://lists.apache.org/thread.html/r1aae77706aab7d89b4fe19be468fc3c73e9cc84ff79cc2c3bd07c05a%40%3Ccommits.camel.apache.org%3E REF https://lists.apache.org/thread.html/r4bdea189c9991aae7a929d28f575ec46e49ed3d68fa5235825f38a4f%40%3Cnotifications.netbeans.apache.org%3E REF https://lists.apache.org/thread.html/r631f967db6260d6178740a3314a35d9421facd8212e62320275fa78e%40%3Ccommits.camel.apache.org%3E REF https://lists.apache.org/thread.html/r7f6d019839df17646ffd0046a99146cacf40492a6c92078f65fd32e0%40%3Ccommits.camel.apache.org%3E REF https://lists.apache.org/thread.html/rb89f92aba44f524d5c270e0c44ca7aec4704691c37fe106cf73ec977%40%3Cnotifications.netbeans.apache.org%3E REF https://lists.apache.org/thread.html/rfe363bf3a46d440ad57fd05c0e313025c7218364bbdc5fd8622ea7ae%40%3Ccommits.camel.apache.org%3E REF https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DCCAPM6FSNOC272DLSNQ6YHXS3OMHGJC/ REF https://security.netapp.com/advisory/ntap-20200619-0005/ REF https://www.debian.org/security/2022/dsa-5196

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