THREATPORT/VULNERABILITY/CVE-2015-7181
HIGH SEVERITY

CVE-2015-7181

Network Security Services vulnerability

CVSS
7.5
EPSS
7.5%
EPSS pct
94th
Exploited
No known
The sec_asn1d_parse_leaf function in Mozilla Network Security Services (NSS) before 3.19.2.1 and 3.20.x before 3.20.1, as used in Firefox before 42.0 and Firefox ESR 38.x before 38.4 and other products, improperly restricts access to an unspecified data structure, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted OCTET STRING data, related to a "use-after-poison" issue.
Affected vendor
Mozilla
Affected product
Network Security Services
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2015-11-05

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 7.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2015-7181

  • 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-2015-7181.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-7181

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-7181 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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