CVE-2013-3958

7.5 HIGH 2% exploit odds Fix listed

What it is

The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, has a hardcoded account, which makes it easier for remote attackers to obtain access via an unspecified request.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 1.9% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2013-06-14 19:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:56 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.9% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2013-06-14 19:55 UTC
Last modified: 2026-06-16 23:56 UTC
Exploit probability: 1.9% · EPSS, next 30 days
Weakness: CWE-255
Record status: Modified

Affected

Siemens Simatic pcs7 ≤ 8.0
Siemens Simatic pcs7 8.0
Siemens Wincc ≤ 7.2
Siemens Wincc 7.0
Siemens Wincc 7.1

Attack profile CVSS 2.0 · 7.5

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2013-3958.md and follow it. Check whether this project is affected by CVE-2013-3958. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record