How severe is CVE-2013-5054?

CVE-2013-5054 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-5054 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5054?

CVE-2013-5054 primarily affects Microsoft Office. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5054?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-5054 published?

CVE-2013-5054 was published on 2013-12-11 and last updated on 2026-06-16.

CVE-2013-5054

CVE-2013-5054 is a medium-severity vulnerability in Microsoft Office with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Microsoft Office
Published: 2013-12-11
Last modified: 2026-06-16

Description

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."

Frequently asked questions

What is CVE-2013-5054?: 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."
How severe is CVE-2013-5054?: CVE-2013-5054 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-5054 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5054?: CVE-2013-5054 primarily affects Microsoft Office. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5054?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5054 published?: CVE-2013-5054 was published on 2013-12-11 and last updated on 2026-06-16.

References

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-104

Affected products (3)

cpe:2.3:a:microsoft:office:2013:-:-:*:-:-:x64:*
cpe:2.3:a:microsoft:office:2013:-:-:*:-:-:x86:*
cpe:2.3:a:microsoft:office_2013_rt:-:*:*:*:*:*:*:*

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