How severe is CVE-2010-3135?

CVE-2010-3135 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-3135 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-3135?

CVE-2010-3135 affects Cisco Packet Tracer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-3135?

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-2010-3135 published?

CVE-2010-3135 was published on 2010-08-26 and last updated on 2026-06-16.

CVE-2010-3135

CVE-2010-3135 is a critical-severity vulnerability in Cisco Packet Tracer with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Packet Tracer
Published: 2010-08-26
Last modified: 2026-06-16

Description

Untrusted search path vulnerability in Cisco Packet Tracer 5.2 allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse wintab32.dll that is located in the same folder as a .pkt or .pkz file.

Frequently asked questions

What is CVE-2010-3135?: Untrusted search path vulnerability in Cisco Packet Tracer 5.2 allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse wintab32.dll that is located in the same folder as a .pkt or .pkz file.
How severe is CVE-2010-3135?: CVE-2010-3135 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-3135 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3135?: CVE-2010-3135 affects Cisco Packet Tracer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-3135?: 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-2010-3135 published?: CVE-2010-3135 was published on 2010-08-26 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:cisco:packet_tracer:5.2:*:*:*:*:*:*:*

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