CVE-2021-4105
CRITICALCVSS 9.8/10EPSS 0.86%
Last modified
CVE-2021-4105 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bg-Tek | Coslat Bx5s1d3 Firmware | >= 5.24.0.r.20180630, < 5.24.0.r.20210727 |
| Bg-Tek | Coslat Bx5s1d4 Firmware | >= 5.24.0.r.20180630, < 5.24.0.r.20210727 |
| Bg-Tek | Coslat Bx5s1d5 Firmware | >= 5.24.0.r.20180630, < 5.24.0.r.20210727 |
| Bg-Tek | Coslat Rm1ds1000 Firmware | >= 5.24.0.r.20180630, < 5.24.0.r.20210727 |
| Bg-Tek | Coslat Rm2ds2000 Firmware | >= 5.24.0.r.20180630, < 5.24.0.r.20210727 |
| Bg-Tek | Coslat Rm2s200 Firmware | >= 5.24.0.r.20180630, < 5.24.0.r.20210727 |
| Bg-Tek | Coslat Rm3s300 Firmware | >= 5.24.0.r.20180630, < 5.24.0.r.20210727 |
| Bg-Tek | Coslat Rm4s500 Firmware | >= 5.24.0.r.20180630, < 5.24.0.r.20210727 |
References
- https://www.usom.gov.tr/bildirim/tr-23-0108Third Party Advisory
- https://www.usom.gov.tr/bildirim/tr-23-0108Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-4105?
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.
How severe is CVE-2021-4105?
CVE-2021-4105 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.
How do I fix CVE-2021-4105?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-41039In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 c…7.5
- CVE-2021-4104JMSAppender in Log4j 1.2 is vulnerable to deserialization of…7.5
- CVE-2021-41040In Eclipse Wakaama, ever since its inception until 2021-01-1…7.5
- CVE-2021-41041In Eclipse Openj9 before version 0.32.0, Java 8 & 11 fail to…5.3
- CVE-2021-41042In Eclipse Lyo versions 1.0.0 to 4.1.0, a TransformerFactory…5.3
- CVE-2021-41043Use after free in tcpslice triggers AddressSanitizer, no oth…5.5
- CVE-2021-41054tftpd_file.c in atftp through 0.7.4 has a buffer overflow be…7.5
- CVE-2021-41055Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers t…7.5
- CVE-2021-41057In WIBU CodeMeter Runtime before 7.30a, creating a crafted C…7.1
- CVE-2021-4106A vulnerability in Snow Inventory Java Scanner allows an att…7.8
- CVE-2021-41061In RIOT-OS 2021.01, nonce reuse in 802.15.4 encryption in th…5.5
- CVE-2021-41063SQL injection vulnerability was discovered in Aanderaa GeoVi…9.8
Are you affected by CVE-2021-4105?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST