CVE-2008-0852

Freesshd vulnerability

CVSS

5.0

EPSS

6.2%

EPSS pct

93th

Exploited

No known

freeSSHd 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a SSH2_MSG_NEWKEYS packet to TCP port 22, which triggers a NULL pointer dereference.

Affected vendor

Freesshd

Affected product

Freesshd

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published

2008-02-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 6.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2008-0852

Confirm whether Freesshd Freesshd is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2008-0852.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-0852

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-0852 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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