High

Hardcoded obfuscation key in Siemens Teamcenter

IdentifiersCVE-2026-33893CWE-798· Use of Hard-coded Credentials

CVE-2026-33893 affects Siemens Teamcenter V2312 (all versions earlier than V2312.0014), V2406 (all versions earlier than V2406.0012), V2412 (all versions earlier than V2412.0009), V2506 (all versions earlier than V2506.0005), and V2512 (all versions). According to Siemens, the application contains a hardcoded key used for obfuscation that is stored directly in the application. Because the key is embedded in the product, an attacker can recover it from the application and misuse it. The issue is classified as CWE-798 (use of hard-coded credentials).

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows an unauthenticated remote attacker to obtain the embedded obfuscation key and use it to gain unauthorized access. Based on the provided CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), the primary impact is high confidentiality loss; no specific integrity or availability impact is stated in the provided content.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, apply Siemens/CISA-recommended defensive measures: minimize network exposure of Teamcenter systems, ensure they are not directly accessible from the internet, place them behind appropriate network segmentation and access controls, and use secure remote-access methods. Restrict access to the application and associated artifacts that could expose embedded keys, and monitor for unauthorized access attempts until vendor fixes are deployed.

Remediation

Patch, then assume compromise.

Upgrade Siemens Teamcenter to a remediated version: V2312.0014 or later, V2406.0012 or later, V2412.0009 or later, and V2506.0005 or later. For Teamcenter V2512, the provided content states that all versions are affected; no fixed V2512 build is identified in the supplied material, so customers should follow Siemens ProductCERT advisory SSA-827383 for the vendor-provided update path.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

SiemensTeamcenterapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

5 SOURCESView more in app

cvefeed high severityNews

May 12, 2026

CVE-2026-33893 - "Teamcenter Hardcoded Key Disclosure"

A hardcoded key vulnerability in Siemens Teamcenter that could allow attackers to obtain embedded obfuscation keys and misuse them to gain unauthorized access.

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity3