Vulnerability · Published Feb 6, 2026 · Assigned by VulnCheck
CVE-2020-37095Cyberoam Authentication Client 2.1.2.7 - Buffer Overflow (SEH)
Critical 9.8
In plain English
A critical-severity stack buffer overflow in Cyberoam Authentication Client from Cyberoam. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 45.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Cyberoam Authentication Client 2.1.2.7 contains a buffer overflow vulnerability that allows remote attackers to execute arbitrary code by overwriting Structured Exception Handler (SEH) memory. Attackers can craft a malicious input in the 'Cyberoam Server Address' field to trigger a bind TCP shell on port 1337 with system-level access.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cyberoam | Cyberoam Authentication Client | 2.1.2.7 |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-48148 exploit
- Archived Cyberoam Authentication Client Software product
- VulnCheck Advisory: Cyberoam Authentication Client 2.1.2.7 - Buffer Overflow (SEH) third-party-advisory