How severe is CVE-2021-37176?

CVE-2021-37176 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-37176 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37176?

CVE-2021-37176 primarily affects Siemens Simcenter Femap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-37176?

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

When was CVE-2021-37176 published?

CVE-2021-37176 was published on 2021-09-14 and last updated on 2026-06-17.

CVE-2021-37176

CVE-2021-37176 is a low-severity vulnerability in Siemens Simcenter Femap with a CVSS 3.x base score of 3.3. 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-125.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Siemens Simcenter Femap
Published: 2021-09-14
Last modified: 2026-06-17

Description

A vulnerability has been identified in Simcenter Femap V2020.2 (All versions), Simcenter Femap V2021.1 (All versions). The femap.exe application lacks proper validation of user-supplied data when parsing modfem files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information in the context of the current process. (ZDI-CAN-14260)

Frequently asked questions

What is CVE-2021-37176?: A vulnerability has been identified in Simcenter Femap V2020.2 (All versions), Simcenter Femap V2021.1 (All versions). The femap.exe application lacks proper validation of user-supplied data when parsing modfem files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information in the context of the current process. (ZDI-CAN-14260)
How severe is CVE-2021-37176?: CVE-2021-37176 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-37176 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37176?: CVE-2021-37176 primarily affects Siemens Simcenter Femap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-37176?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-37176 published?: CVE-2021-37176 was published on 2021-09-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:siemens:simcenter_femap:2020.2:-:*:*:*:*:*:*
cpe:2.3:a:siemens:simcenter_femap:2021.1:-:*:*:*:*:*:*

More vulnerabilities in Siemens Simcenter Femap

CVE-2022-28661 — High (CVSS 8.8): A vulnerability has been identified in Simcenter Femap (All versions < V2022.1.2). The affected application contains an…
CVE-2026-23720 — High (CVSS 7.8): A vulnerability has been identified in Simcenter Femap (All versions < V2512), Simcenter Nastran (All versions <…
CVE-2026-23719 — High (CVSS 7.8): A vulnerability has been identified in Simcenter Femap (All versions < V2512), Simcenter Nastran (All versions <…
CVE-2026-23718 — High (CVSS 7.8): A vulnerability has been identified in Simcenter Femap (All versions < V2512), Simcenter Nastran (All versions <…
CVE-2026-23717 — High (CVSS 7.8): A vulnerability has been identified in Simcenter Femap (All versions < V2512), Simcenter Nastran (All versions <…
CVE-2026-23716 — High (CVSS 7.8): A vulnerability has been identified in Simcenter Femap (All versions < V2512), Simcenter Nastran (All versions <…

All CVEs affecting Siemens Simcenter Femap →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →