CVE-2021-4105 json
Unauthenticated Remote Code Execution on COSLAT Firewall
published 3y ago modified 4mo ago also EUVD-2021-33988
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
Improper Handling of Parameters vulnerability in BG-TEK COSLAT Firewall allows Remote Code Inclusion.
This issue affects COSLAT Firewall: from 5.24.0.R.20180630 before 5.24.0.R.20210727.
Patch / fix
- BG-TEK COSLAT Firewall 5.24.0.r.20210727
Is CVE-2021-4105 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 FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
0.87% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- BG-TEK COSLAT Firewall
Classification
- Weakness
-
- CWE-755 Improper Handling of Exceptional Conditions
References
-
blog.coslat.com
/2021/07/onemli-kritik-guncelleme-2021-07-27.html
vendor-advisory
-
usom.gov.tr
/bildirim/tr-23-0108
government-resource, broken-link, third-party-advisory
-
siberguvenlik.gov.tr
/guvenlik-bildirimleri/detay/tr-23-0108
government-resource
Sources
- CVE List CVE-2021-4105
- NVD CVE-2021-4105
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