← Vulnerability feed

Vulnerability record · CVE-2021-41057 · published 14 November 2021

CVE-2021-41057: Wibu codemeter runtime link following vulnerability

Wibu · Codemeter Runtime

In WIBU CodeMeter Runtime before 7.30a, creating a crafted CmDongles symbolic link will overwrite the linked file without checking permissions.

7.1 CVSS 3.1 High EPSS 0.30% · top 79.8% CWE-59 · Link following
7.1CVSS 3.1 base score, v2 3.6
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

In WIBU CodeMeter Runtime before 7.30a, creating a crafted CmDongles symbolic link will overwrite the linked file without checking permissions.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected products

10 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210910-01.pdf MitigationVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-580693.pdf Third Party Advisory
https://www.wibu.com/us/support/security-advisories.html Vendor Advisory
https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210910-01.pdf MitigationVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-580693.pdf Third Party Advisory
https://www.wibu.com/us/support/security-advisories.html Vendor Advisory

Track CVE-2021-41057 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.1CVE-2021-20093Wibu codemeter out-of-bounds read vulnerabilityA buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disc…EPSS 33%7.5CVE-2021-20094Wibu codemeter out-of-bounds read vulnerabilityA denial of service vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to cra…EPSS 4.7%7.8CVE-2026-81963Windows Update Stack link-following privilege escalationWindows Update Stack resolves links improperly before accessing files, a link-following flaw (CWE-59) compounded by improper access control (CWE-284)…KEVEPSS 0.39%analysed7.8CVE-2015-5287ABRT abrt-hook-ccpp symlink privilege escalationThe abrt-hook-ccpp helper in Red Hat's Automatic Bug Reporting Tool (ABRT) before 2.7.1 follows symlinks on files with predictable names, letting a l…KEVEPSS 5.0%analysed7.8CVE-2026-41091Microsoft Defender link following allows local privilege elevationMicrosoft Defender's malware protection engine resolves links improperly before accessing files, a link-following flaw (CWE-59). A local attacker wit…KEVEPSS 0.44%analysed7.2CVE-2024-57728SimpleHelp zip slip path traversal allows arbitrary file write and code executionSimpleHelp remote support software v5.5.7 and earlier lets admin users upload a crafted zip file that writes files anywhere on the file system via zi…KEVEPSS 65%analysed7.8CVE-2025-60710Windows Task Host link following privilege escalationThe Host Process for Windows Tasks resolves links improperly before accessing files (CWE-59), letting a local attacker redirect file operations to at…KEVEPSS 4.6%analysed8.0CVE-2025-48384Git config CRLF handling allows submodule path link-following code executionGit mishandles trailing carriage returns when writing config values, so a submodule path ending in CR is read back altered during submodule initializ…KEVEPSS 4.2%analysed

Source: NIST National Vulnerability Database (record CVE-2021-41057), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.