Read the docs
TI-2020-19230 Aliases CVE-2020-37095GHSA-3rq8-jjh5-j8v3

Cyberoam Authentication Client 2.1.2.7 - Buffer Overflow (SEH)

Priority HIGH 72CWE-121Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00743 54th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CyberoamCyberoam Authentication Client2.1.2.7—No fix listedCNA
  • Cyberoam Authentication Client VendorCyberoam Affected 2.1.2.7 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-37095
  2. 2026-10-03 Alias added: GHSA-3rq8-jjh5-j8v3

References

  • TI-2014-04471 SQL injection vulnerability in the Guest Login Portal in the Sophos Cyberoam appliances… CVSS 2.0HIGH 10.0
  • TI-2014-04469 Stack-based buffer overflow in the diagnose service in the Sophos Cyberoam appliances… CVSS 2.0HIGH 9.3
  • TI-2014-04470 The Sophos Cyberoam appliances with CyberoamOS before 10.6.1 GA allows remote… CVSS 2.0HIGH 9.0
  • TI-2012-00955 Directory traversal vulnerability in the WWWHELP Service (js/html/wwhelp.htm) in Cyberoam… CVSS 2.0HIGH 7.5
  • TI-2015-05712 SQL injection vulnerability in the Sophos Cyberoam CR500iNG-XP firewall appliance with… CVSS 2.0HIGH 7.5

Sources