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.
Conclusion & alert: CVE-2024-57854 is rated Low Risk (36.5/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.01%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-05 | — | 0.01% | — |
Full EPSS history (1 record total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dougdude | net::nsca::client | <= 0.009002 | cpe:2.3:a:dougdude:net\:\:nsca\:\:client:*:*:*:*:*:perl:*:* |
| URL | Tags |
|---|---|
| https://metacpan.org/release/DOUGDUDE/Net-NSCA-Client-0.009002/source/lib/Net/NSCA/Client/InitialPacket.pm#L119 | Issue Tracking Product |
| https://patch-diff.githubusercontent.com/raw/dougwilson/perl5-net-nsca-client/pull/2.patch | Patch |
| http://www.openwall.com/lists/oss-security/2026/03/05/1 | Mailing List Third Party Advisory |