How severe is CVE-2011-4515?

CVE-2011-4515 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2011-4515 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-2011-4515?

CVE-2011-4515 affects Siemens Wincc Tia Portal. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4515?

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

When was CVE-2011-4515 published?

CVE-2011-4515 was published on 2013-03-21 and last updated on 2026-06-16.

CVE-2011-4515

CVE-2011-4515 is a medium-severity vulnerability in Siemens Wincc Tia Portal with a CVSS 2.0 base score of 4.6. 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-255.

Key facts

Severity: Medium (CVSS 2.0 base score 4.6)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Siemens Wincc Tia Portal
Published: 2013-03-21
Last modified: 2026-06-16

Description

Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application passwords in world-readable and world-writable files, which allows local users to obtain sensitive information by leveraging (1) physical access or (2) Sm@rt Server access.

Frequently asked questions

What is CVE-2011-4515?: Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application passwords in world-readable and world-writable files, which allows local users to obtain sensitive information by leveraging (1) physical access or (2) Sm@rt Server access.
How severe is CVE-2011-4515?: CVE-2011-4515 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2011-4515 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-2011-4515?: CVE-2011-4515 affects Siemens Wincc Tia Portal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4515?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4515 published?: CVE-2011-4515 was published on 2013-03-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:siemens:wincc_tia_portal:11.0:*:*:*:*:*:*:*

More vulnerabilities in Siemens Wincc Tia Portal

CVE-2013-0670 — Medium (CVSS 4.3): CRLF injection vulnerability in the HMI web application in Siemens WinCC (TIA Portal) 11 allows remote attackers to…
CVE-2013-0668 — Medium (CVSS 4.3): Multiple cross-site scripting (XSS) vulnerabilities in the HMI web application in Siemens WinCC (TIA Portal) 11 allow…
CVE-2013-0667 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in the HMI web application in Siemens WinCC (TIA Portal) 11 allows remote…
CVE-2013-0671 — Medium (CVSS 4.0): Directory traversal vulnerability in Siemens WinCC (TIA Portal) 11 allows remote authenticated users to read HMI…
CVE-2013-0669 — Medium (CVSS 4.0): The HMI web application in Siemens WinCC (TIA Portal) 11 allows remote authenticated users to cause a denial of service…
CVE-2013-0672 — Low (CVSS 3.5): Cross-site scripting (XSS) vulnerability in the HMI web application in Siemens WinCC (TIA Portal) 11 allows remote…

All CVEs affecting Siemens Wincc Tia Portal →

Other CWE-255 (Credentials Management Errors) vulnerabilities

CVE-2016-0898 — Critical (CVSS 10.0): MySQL for PCF tiles 1.7.x before 1.7.10 were discovered to log the AWS access key in plaintext. These credentials were…
CVE-2015-7906 — Critical (CVSS 10.0): LOYTEC LIP-3ECTB 6.0.1, LINX-100, LVIS-3E100, and LIP-ME201 devices allow remote attackers to read a password-hash…
CVE-2015-7856 — Critical (CVSS 10.0): OpenNMS has a default password of rtc for the rtc account, which makes it easier for remote attackers to obtain access…
CVE-2014-9736 — Critical (CVSS 10.0): GE Healthcare Centricity Clinical Archive Audit Trail Repository has a default password of initinit for the (1) SSL key…
CVE-2014-7233 — Critical (CVSS 10.0): GE Healthcare Precision THUNIS-800+ has a default password of (1) 1973 for the factory default System Utilities menu,…
CVE-2014-7232 — Critical (CVSS 10.0): GE Healthcare Discovery XR656 and XR656 G2 has a password of (1) 2getin for the insite user, (2) 4$xray for the xruser…

Browse all CWE-255 (Credentials Management Errors) vulnerabilities →