CVE-2013-1739

Network Security Services vulnerability

CVSS

5.0

EPSS

3.4%

EPSS pct

88th

Exploited

No known

Mozilla Network Security Services (NSS) before 3.15.2 does not ensure that data structures are initialized before read operations, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors that trigger a decryption failure.

Affected vendor

Mozilla

Affected product

Network Security Services

CVSS vector

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

Published

2013-10-22

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 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2013-1739

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-2013-1739.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-1739

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-1739 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2013-1739?

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