How severe is CVE-2020-12525?

CVE-2020-12525 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12525 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12525?

CVE-2020-12525 primarily affects Emerson Rosemount Transmitter Interface Software. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12525?

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-2020-12525 published?

CVE-2020-12525 was published on 2021-01-22 and last updated on 2026-06-17.

CVE-2020-12525

CVE-2020-12525 is a high-severity vulnerability in Emerson Rosemount Transmitter Interface Software with a CVSS 3.x base score of 7.3. 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-502.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 6.8
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Emerson Rosemount Transmitter Interface Software
Published: 2021-01-22
Last modified: 2026-06-17

Description

M&M Software fdtCONTAINER Component in versions below 3.5.20304.x and between 3.6 and 3.6.20304.x is vulnerable to deserialization of untrusted data in its project storage.

Frequently asked questions

What is CVE-2020-12525?: M&M Software fdtCONTAINER Component in versions below 3.5.20304.x and between 3.6 and 3.6.20304.x is vulnerable to deserialization of untrusted data in its project storage.
How severe is CVE-2020-12525?: CVE-2020-12525 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12525 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12525?: CVE-2020-12525 primarily affects Emerson Rosemount Transmitter Interface Software. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12525?: 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-2020-12525 published?: CVE-2020-12525 was published on 2021-01-22 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:emerson:rosemount_transmitter_interface_software:-:*:*:*:*:*:*:*
cpe:2.3:a:pepperl-fuchs:pactware:*:*:*:*:*:*:*:*
cpe:2.3:a:wago:dtminspector_3:-:*:*:*:*:*:*:*
cpe:2.3:a:wago:fdtcontainer_application:*:*:*:*:*:*:*:*
cpe:2.3:a:wago:fdtcontainer_component:*:*:*:*:*:*:*:*
cpe:2.3:a:weidmueller:wi_manager:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:io-link_master_firmware:*:*:*:*:*:*:*:*

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities

CVE-2026-41104 — Critical (CVSS 10.0): Deserialization of untrusted data in Microsoft Planetary Computer Pro allows an unauthorized attacker to disclose…
CVE-2026-43633 — Critical (CVSS 10.0): HestiaCP versions 1.9.0 through 1.9.4 contain a deserialization vulnerability in the web terminal component caused by a…
CVE-2026-33819 — Critical (CVSS 10.0): Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.
CVE-2026-20131 — Critical (CVSS 10.0): A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could…
CVE-2026-25632 — Critical (CVSS 10.0): EPyT-Flow is a Python package designed for the easy generation of hydraulic and water quality scenario data of water…
CVE-2025-14931 — Critical (CVSS 10.0): Hugging Face smolagents Remote Python Executor Deserialization of Untrusted Data Remote Code Execution Vulnerability.…

Browse all CWE-502 (Deserialization of Untrusted Data) vulnerabilities →