How severe is CVE-2010-3749?

CVE-2010-3749 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-3749 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-3749?

CVE-2010-3749 primarily affects Realnetworks Realplayer. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-3749?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2010-3749 published?

CVE-2010-3749 was published on 2010-10-19 and last updated on 2026-06-16.

CVE-2010-3749

CVE-2010-3749 is a critical-severity vulnerability in Realnetworks Realplayer with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 26% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 26% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Realnetworks Realplayer
Published: 2010-10-19
Last modified: 2026-06-16

Description

The browser-plugin implementation in RealNetworks RealPlayer 11.0 through 11.1 and RealPlayer SP 1.0 through 1.1 allows remote attackers to arguments to the RecordClip method, which allows remote attackers to download an arbitrary program onto a client machine, and execute this program, via a " (double quote) in an argument to the RecordClip method, aka "parameter injection."

Frequently asked questions

What is CVE-2010-3749?: The browser-plugin implementation in RealNetworks RealPlayer 11.0 through 11.1 and RealPlayer SP 1.0 through 1.1 allows remote attackers to arguments to the RecordClip method, which allows remote attackers to download an arbitrary program onto a client machine, and execute this program, via a " (double quote) in an argument to the RecordClip method, aka "parameter injection."
How severe is CVE-2010-3749?: CVE-2010-3749 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-3749 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3749?: CVE-2010-3749 primarily affects Realnetworks Realplayer. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-3749?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2010-3749 published?: CVE-2010-3749 was published on 2010-10-19 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:a:realnetworks:realplayer:11.0:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0.1:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0.3:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0.4:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.0.5:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer:11.1:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.1:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.1.3:*:*:*:*:*:*:*
cpe:2.3:a:realnetworks:realplayer_sp:1.1.4:*:*:*:*:*:*:*

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