How severe is CVE-2021-46169?

CVE-2021-46169 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-46169 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-46169?

CVE-2021-46169 affects Modex Project Modex. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-46169?

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

When was CVE-2021-46169 published?

CVE-2021-46169 was published on 2022-01-14 and last updated on 2026-06-17.

CVE-2021-46169

CVE-2021-46169 is a medium-severity vulnerability in Modex Project Modex with a CVSS 3.x base score of 5.5. 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-416.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Modex Project Modex
Published: 2022-01-14
Last modified: 2026-06-17

Description

Modex v2.11 was discovered to contain an Use-After-Free vulnerability via the component tcache.

Frequently asked questions

What is CVE-2021-46169?: Modex v2.11 was discovered to contain an Use-After-Free vulnerability via the component tcache.
How severe is CVE-2021-46169?: CVE-2021-46169 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-46169 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46169?: CVE-2021-46169 affects Modex Project Modex. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46169?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-46169 published?: CVE-2021-46169 was published on 2022-01-14 and last updated on 2026-06-17.

References

https://github.com/nimble-code/Modex/issues/10

Affected products (1)

cpe:2.3:a:modex_project:modex:2.11:*:*:*:*:*:*:*

More vulnerabilities in Modex Project Modex

CVE-2021-46171 — Medium (CVSS 5.5): Modex v2.11 was discovered to contain a NULL pointer dereference in set_create_id() at xtract.c.

All CVEs affecting Modex Project Modex →

Other CWE-416 (Use After Free) vulnerabilities

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

Browse all CWE-416 (Use After Free) vulnerabilities →