Is CVE-2009-4810 in the CISA KEV catalog?

No. CVE-2009-4810 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-4810?

CVE-2009-4810 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2009-4810?

CVE-2009-4810 has an EPSS score of 2.56% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-4810?

Upgrade samhain on debian 11 to 2.5.4-1 or later.

CVE & CISA-KEV Catalog

CVE-2009-4810

HIGHEPSS 83th pctl

7.5

CVSS v2

NVD

Description

The Secure Remote Password (SRP) implementation in Samhain before 2.5.4 does not check for a certain zero value where required by the protocol, which allows remote attackers to bypass authentication via crafted input.

CWE-20Improper Input Validation

How to fix

Remediation Available

samhainDebian

Fixed in:2.5.4-1CVE-2009-4810

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.56%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Patch2

Vendor Advisory1

secunia.com

Other references1

securityfocus.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

Embed a live status badge for CVE-2009-4810

Markdown

[![CVE-2009-4810](https://tridentstack.com/cve/badge/CVE-2009-4810.svg)](https://tridentstack.com/cve/CVE-2009-4810)

HTML

<a href="https://tridentstack.com/cve/CVE-2009-4810"><img src="https://tridentstack.com/cve/badge/CVE-2009-4810.svg" alt="CVE-2009-4810"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.