CVE-2013-5054

Office vulnerability

CVSS

4.3

EPSS

12.8%

EPSS pct

96th

Exploited

No known

Microsoft Office 2013 and 2013 RT allows remote attackers to discover authentication tokens via a crafted response to a file-open request for an Office file on a web site, as exploited in the wild in 2013, aka "Token Hijacking Vulnerability."

Affected vendor

Microsoft

Affected product

Office

CVSS vector

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

Weakness type (CWE)

CWE-200 — Exposure of Sensitive Information

Published

2013-12-11

Risk analysis

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

Its EPSS score of 12.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2013-5054

Confirm whether Microsoft Office is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2013-5054.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-5054

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-5054 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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