How severe is CVE-2015-0664?

CVE-2015-0664 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-0664 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-0664?

CVE-2015-0664 affects Cisco Anyconnect Secure Mobility Client. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-0664?

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

When was CVE-2015-0664 published?

CVE-2015-0664 was published on 2015-03-18 and last updated on 2026-06-17.

CVE-2015-0664

CVE-2015-0664 is a medium-severity vulnerability in Cisco Anyconnect Secure Mobility Client with a CVSS 2.0 base score of 4.3. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Anyconnect Secure Mobility Client
Published: 2015-03-18
Last modified: 2026-06-17

Description

The IPC channel in Cisco AnyConnect Secure Mobility Client 4.0(.00051) and earlier allows local users to write to arbitrary userspace memory locations, and consequently gain privileges, via crafted messages, aka Bug ID CSCus79195.

Frequently asked questions

What is CVE-2015-0664?: The IPC channel in Cisco AnyConnect Secure Mobility Client 4.0(.00051) and earlier allows local users to write to arbitrary userspace memory locations, and consequently gain privileges, via crafted messages, aka Bug ID CSCus79195.
How severe is CVE-2015-0664?: CVE-2015-0664 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-0664 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0664?: CVE-2015-0664 affects Cisco Anyconnect Secure Mobility Client. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-0664?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-0664 published?: CVE-2015-0664 was published on 2015-03-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*

More vulnerabilities in Cisco Anyconnect Secure Mobility Client

CVE-2012-3088 — Critical (CVSS 9.3): Cisco AnyConnect Secure Mobility Client 3.1.x before 3.1.00495, and 3.2.x, does not check whether an HTTP request…
CVE-2012-2493 — Critical (CVSS 9.3): The VPN downloader implementation in the WebLaunch feature in Cisco AnyConnect Secure Mobility Client 2.x before 2.5…
CVE-2011-2040 — Critical (CVSS 9.3): The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.5.3041, and…
CVE-2023-20178 — High (CVSS 7.8): A vulnerability in the client update process of Cisco AnyConnect Secure Mobility Client Software for Windows and Cisco…
CVE-2021-1366 — High (CVSS 7.8): A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows…
CVE-2021-1237 — High (CVSS 7.8): A vulnerability in the Network Access Manager and Web Security Agent components of Cisco AnyConnect Secure Mobility…

All CVEs affecting Cisco Anyconnect Secure Mobility Client →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →