CVE-2020-25023: An issue was discovered in Noise-Java through 2020-08-27

Q: How do I fix CVE-2020-25023?

noise-java: upgrade to newer than 2020-08-27. Exact commands for each OS are on this page.

Q: Is CVE-2020-25023 being exploited?

CVE-2020-25023 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-25023 affect?

CVE-2020-25023 affects noise-java. Severity is critical (CVSS 9.8). An issue was discovered in Noise-Java through 2020-08-27. AESGCMOnCtrCipherState.encryptWithAd() allows out-of-bounds access.

Q: How urgent is CVE-2020-25023?

Priority 61/100. Critical severity; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2020-25023 is a critical-severity flaw (CVSS 9.8) affecting noise-java. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Noise-Java through 2020-08-27. AESGCMOnCtrCipherState.encryptWithAd() allows out-of-bounds access.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-125, CWE-787
Published	2020-09-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: noise-java project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-09-04 04:15 UTCPublished CVE record published
2026-06-17 03:06 UTCUpdated Record last modified

noise-java project noise-java UPGRADE

Affected: <= 2020-08-27

Fixed in: newer than 2020-08-27

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy noise-java || rpm -q noise-java || noise-java --version

2. UPGRADE to newer than 2020-08-27 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade noise-java

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade noise-java

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-25023?

noise-java: upgrade to newer than 2020-08-27. Exact commands for each OS are on this page.

Is CVE-2020-25023 being exploited?

CVE-2020-25023 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-25023 affect?

CVE-2020-25023 affects noise-java. Severity is critical (CVSS 9.8). An issue was discovered in Noise-Java through 2020-08-27. AESGCMOnCtrCipherState.encryptWithAd() allows out-of-bounds access.

How urgent is CVE-2020-25023?

Priority 61/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

Related CVEs

CVE-2020-25022 CRITICAL 9.8 UPGRADE An issue was discovered in Noise-Java through 2020-08-27
CVE-2020-25021 CRITICAL 9.8 UPGRADE An issue was discovered in Noise-Java through 2020-08-27

References

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