CVE-2023-34340

Name: CVE-2023-34340
Creator: NVD / NIST
Published: 2023-06-21T08:15:10.74+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.43%

Last modified Jun 17, 2026

CVE-2023-34340 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. . EPSS estimates a 1.43% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.43%

69.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Apache	Accumulo	2.1.0

References

https://accumulo.apache.org/release/accumulo-2.1.1/Release Notes
https://lists.apache.org/thread/syy6jftvy9l6tlhn33o0rzwhh4rd0z4tMailing List, Vendor Advisory
https://accumulo.apache.org/release/accumulo-2.1.1/Release Notes
https://lists.apache.org/thread/syy6jftvy9l6tlhn33o0rzwhh4rd0z4tMailing List, Vendor Advisory

Timeline

Published: Jun 21, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-34340?

How severe is CVE-2023-34340?

CVE-2023-34340 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.

How do I fix CVE-2023-34340?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-34340?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST