CVE-2007-1533

Windows Vista vulnerability

CVSS

5.0

EPSS

10.6%

EPSS pct

95th

Exploited

No known

The Teredo implementation in Microsoft Windows Vista uses the same nonce for communication with different UDP ports within a solicitation session, which makes it easier for remote attackers to spoof the nonce through brute force attacks.

Affected vendor

Microsoft

Affected product

Windows Vista

CVSS vector

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

Published

2007-03-20

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 integrity.

Its EPSS score of 10.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2007-1533

Confirm whether Microsoft Windows Vista is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2007-1533.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-1533

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-1533 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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