How severe is CVE-2010-4148?

CVE-2010-4148 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-4148 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4148?

CVE-2010-4148 affects Anyconnect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-4148?

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-2010-4148 published?

CVE-2010-4148 was published on 2010-11-02 and last updated on 2026-06-16.

CVE-2010-4148

CVE-2010-4148 is a critical-severity vulnerability in Anyconnect 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. The underlying weakness is classified as CWE-22.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Anyconnect
Published: 2010-11-02
Last modified: 2026-06-16

Description

Directory traversal vulnerability in AnyConnect 1.2.3.0, and possibly earlier, allows remote FTP servers to write arbitrary files via a "..\" (dot dot backslash) in a filename.

Frequently asked questions

What is CVE-2010-4148?: Directory traversal vulnerability in AnyConnect 1.2.3.0, and possibly earlier, allows remote FTP servers to write arbitrary files via a "..\" (dot dot backslash) in a filename.
How severe is CVE-2010-4148?: CVE-2010-4148 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-4148 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4148?: CVE-2010-4148 affects Anyconnect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-4148?: 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-2010-4148 published?: CVE-2010-4148 was published on 2010-11-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:anyconnect:anyconnect:*:*:*:*:*:*:*:*

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