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TI-2020-19317 Aliases CVE-2020-37182GHSA-64v7-64h5-r58h

Redir 3.3 - Denial of Service

Priority HIGH 77CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · 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

Redir 3.3 contains a stack overflow vulnerability in the doproxyconnect() function that allows attackers to crash the application by sending oversized input. Attackers can exploit the sprintf() buffer without proper length checking to overwrite memory and cause a segmentation fault, resulting in program termination.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00566 47th 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
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
troglobitRedir3.3—No fix listedCNA
  • Redir Vendortroglobit Affected 3.3 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-37182
  2. 2026-10-03 Alias added: GHSA-64v7-64h5-r58h

References

Exploit 1

Other 1

  • TI-2025-21291 Finit bundled getty can bypass /bin/login CVSS 3.1HIGH 8.6
  • TI-2020-13817 There are multiple unauthenticated directory traversal vulnerabilities in different FTP… CVSS 3.1CRITICAL 9.8
  • TI-2022-24152 uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number. CVSS 3.1CRITICAL 9.8
  • TI-2020-13816 An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in… CVSS 3.1CRITICAL 9.8
  • TI-2020-04260 Buffer overflow vulnerability in uftpd CVSS 3.1HIGH 8.8
  • TI-2020-11077 In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user… CVSS 3.1HIGH 7.5
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences