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CRITICAL severity

CVE-2020-36641 — aXMLRPC

CRITICALFix: gturri/aXMLRPC@456752e

CVE-2020-36641 is a critical-severity (CVSS 9.8) XML External Entity (XXE) vulnerability in fr.turri:aXMLRPC. A fix is available for fr.turri:aXMLRPC — see the affected versions and patch details below.

aXMLRPC XML External Entity vulnerability

Also known asGHSA-g4r8-28fp-f255
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 3, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.9%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs59th percentile — riskier than 59% of all scored CVEsHighest risk
0.00%0.46%0.92%1.38%0.3%0.9%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕fr.turri:aXMLRPC

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

A vulnerability classified as problematic was found in gturri aXMLRPC up to 1.12.0. This vulnerability affects the function ResponseParser of the file src/main/java/de/timroes/axmlrpc/ResponseParser.java. The manipulation leads to xml external entity reference. Upgrading to version 1.12.1 is able to address this issue. The name of the patch is ad6615b3ec41353e614f6ea5fdd5b046442a832b. It is recommended to upgrade the affected component. VDB-217450 is the identifier assigned to this vulnerability.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenfr.turri:aXMLRPCall versions1.12.1fr.turri:aXMLRPC:1.12.1

Affected Products

1 product · 1 configurations
Application
axmlrpcgturri
≤ 1.12.1
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for fr.turri:aXMLRPC, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update fr.turri:aXMLRPC to 1.12.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-36641 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

A vulnerability classified as problematic was found in gturri aXMLRPC up to 1.12.0. This vulnerability affects the function `ResponseParser` of the file `src/main/java/de/timroes/axmlrpc/ResponseParser.java`. The manipulation leads to xml external entity reference. Upgrading to version 1.12.1 is able to address this issue. The name of the patch is ad6615b3ec41353e614f6ea5fdd5b046442a832b. It is recommended to upgrade the affected component. VDB-217450 is the identifier assigned to this vulnerability.
O3 Security · Impact-Aware SCA

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CVE-2020-36641: aXMLRPC XXE — Fixed in 1.12.1