THREATPORT/VULNERABILITY/CVE-2004-0826
HIGH SEVERITY

CVE-2004-0826

Network Security Services vulnerability

CVSS
7.5
EPSS
22.5%
EPSS pct
97th
Exploited
No known
Heap-based buffer overflow in Netscape Network Security Services (NSS) library allows remote attackers to execute arbitrary code via a modified record length field in an SSLv2 client hello message.
Affected vendor
Mozilla
Affected product
Network Security Services
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published
2004-12-31

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 confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 22.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2004-0826

  • Confirm whether Mozilla Network Security Services is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2004-0826.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2004-0826

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2004-0826 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2004-0826?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2004-0826.

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