CVE-2024-57854: Net::NSCA::Client versions through 0.009002 for Perl uses a poor random number generator. Version v0.003 swit

Q: How do I fix CVE-2024-57854?

net\: upgrade to newer than 0.009002. Exact commands for each OS are on this page.

Q: Is CVE-2024-57854 being exploited?

CVE-2024-57854 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-2024-57854 affect?

CVE-2024-57854 affects net\. Severity is critical (CVSS 9.1). Net::NSCA::Client versions through 0.009002 for Perl uses a poor random number generator. Version v0.003 switched to use Data::Rand::Obscure instead of Crypt::Random for generation of a random initialisation vectors. Data::Rand::Obscure u

Q: How urgent is CVE-2024-57854?

Priority 46/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.1REMOTEUPGRADE

CVE-2024-57854 is a critical-severity flaw (CVSS 9.1) affecting net\. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Net::NSCA::Client versions through 0.009002 for Perl uses a poor random number generator. Version v0.003 switched to use Data::Rand::Obscure instead of Crypt::Random for generation of a random initialisation vectors. Data::Rand::Obscure uses Perl's built-in rand() function, which is not suitable for cryptographic functions.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-338
Published	2026-03-05
Last modified	2026-06-17

Publisher (CNA): CPANSec · Vendor: dougdude

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

Am I affected?

Timeline

2026-03-05 03:15 UTCPublished CVE record published
2026-06-17 08:14 UTCUpdated Record last modified

dougdude net\ UPGRADE

Affected: <= 0.009002

Fixed in: newer than 0.009002

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy net || rpm -q net || net --version

2. UPGRADE to newer than 0.009002 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade net

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade net

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-2024-57854?

net\: upgrade to newer than 0.009002. Exact commands for each OS are on this page.

Is CVE-2024-57854 being exploited?

CVE-2024-57854 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-2024-57854 affect?

CVE-2024-57854 affects net\. Severity is critical (CVSS 9.1). Net::NSCA::Client versions through 0.009002 for Perl uses a poor random number generator. Version v0.003 switched to use Data::Rand::Obscure instead of Crypt::Random for generation of a random initialisation vectors. Data::Rand::Obscure u

How urgent is CVE-2024-57854?

Priority 46/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

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References

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