How severe is CVE-2015-0693?

CVE-2015-0693 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2015-0693 being actively exploited?

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

What products are affected by CVE-2015-0693?

CVE-2015-0693 affects Cisco Web Security Appliance. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-0693?

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

When was CVE-2015-0693 published?

CVE-2015-0693 was published on 2015-04-15 and last updated on 2026-06-17.

CVE-2015-0693

CVE-2015-0693 is a high-severity vulnerability in Cisco Web Security Appliance with a CVSS 2.0 base score of 7.2. 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: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Web Security Appliance
Published: 2015-04-15
Last modified: 2026-06-17

Description

Cisco Web Security Appliance (WSA) devices with software 8.5.0-ise-147 do not properly restrict use of the pickle Python module during certain tunnel-status checks, which allows local users to execute arbitrary Python code and gain privileges via a crafted pickle file, aka Bug ID CSCut39259.

Frequently asked questions

What is CVE-2015-0693?: Cisco Web Security Appliance (WSA) devices with software 8.5.0-ise-147 do not properly restrict use of the pickle Python module during certain tunnel-status checks, which allows local users to execute arbitrary Python code and gain privileges via a crafted pickle file, aka Bug ID CSCut39259.
How severe is CVE-2015-0693?: CVE-2015-0693 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2015-0693 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0693?: CVE-2015-0693 affects Cisco Web Security Appliance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-0693?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-0693 published?: CVE-2015-0693 was published on 2015-04-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:web_security_appliance:8.5_base:*:*:*:*:*:*:*

More vulnerabilities in Cisco Web Security Appliance

CVE-2023-20032 — Critical (CVSS 9.8): On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the…
CVE-2015-6298 — Critical (CVSS 9.0): The admin web interface in Cisco AsyncOS 8.x before 8.0.8-113, 8.1.x and 8.5.x before 8.5.3-051, 8.6.x and 8.7.x before…
CVE-2019-15956 — High (CVSS 8.8): A vulnerability in the web management interface of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could…
CVE-2019-1886 — High (CVSS 8.6): A vulnerability in the HTTPS decryption feature of Cisco Web Security Appliance (WSA) could allow an unauthenticated,…
CVE-2018-0410 — High (CVSS 8.6): A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliances could allow…
CVE-2019-1816 — High (CVSS 7.8): A vulnerability in the log subscription subsystem of the Cisco Web Security Appliance (WSA) could allow an…

All CVEs affecting Cisco Web Security Appliance →

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 →