CVE-2021-41057 json
In WIBU CodeMeter Runtime before 7.30a, creating a crafted CmDongles symbolic link will overwrite the linked file without checking permissi…
published 4y ago modified 4mo ago also EUVD-2021-28208
- cvss
- 7.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
In WIBU CodeMeter Runtime before 7.30a, creating a crafted CmDongles symbolic link will overwrite the linked file without checking permissions.
Patch / fix
- wibu codemeter_runtime 7.30a
- siemens pss_e 34.9.1, 35.3.2
- siemens pss_odms 12.2.6.1
- siemens sicam_230 8.0
- siemens simatic_information_server 2019
Is CVE-2021-41057 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-350-03 updated cvss 7.1
Wibu-Systems CodeMeter Runtime
-
Wibu-Systems AG CodeMeter Runtime < 7.30aaffected: vendor fix wibu.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
| NVD | 2.0 | 3.6 | AV:L/AC:L/Au:N/C:N/I:P/A:P |
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
-
wibu.com
/us/support/security-advisories.html
vendor-advisory
-
cdn.wibu.com
/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210910-01.pdf
mitigation, vendor-advisory
-
cert-portal.siemens.com
/productcert/pdf/ssa-580693.pdf
third-party-advisory
Sources
- CVE List CVE-2021-41057
- NVD CVE-2021-41057
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