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TI-2010-03974 Aliases CVE-2010-4221GHSA-gf2w-q84f-pmmw

Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in…

Priority CRITICAL 86CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server.

Why it matters now

EPSS 0.91303 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 15

CPEVersionsRoleVendor
cpe:2.3:a:proftpd:proftpd:1.3.2:*:*:*:*:*:*:*1.3.2VulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.2:a:*:*:*:*:*:*1.3.2 aVulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.2:b:*:*:*:*:*:*1.3.2 bVulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.2:c:*:*:*:*:*:*1.3.2 cVulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.2:d:*:*:*:*:*:*1.3.2 dVulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.2:e:*:*:*:*:*:*1.3.2 eVulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.2:rc3:*:*:*:*:*:*1.3.2 rc3VulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.2:rc4:*:*:*:*:*:*1.3.2 rc4VulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.3:*:*:*:*:*:*:*1.3.3VulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.3:a:*:*:*:*:*:*1.3.3 aVulnerableProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.2:*:*:*:*:*:*:* Versions 1.3.2 Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.2:a:*:*:*:*:*:* Versions 1.3.2 a Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.2:b:*:*:*:*:*:* Versions 1.3.2 b Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.2:c:*:*:*:*:*:* Versions 1.3.2 c Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.2:d:*:*:*:*:*:* Versions 1.3.2 d Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.2:e:*:*:*:*:*:* Versions 1.3.2 e Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.2:rc3:*:*:*:*:*:* Versions 1.3.2 rc3 Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.2:rc4:*:*:*:*:*:* Versions 1.3.2 rc4 Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.3:*:*:*:*:*:*:* Versions 1.3.3 Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.3:a:*:*:*:*:*:* Versions 1.3.3 a Vulnerable ·ProFTPD
Show 5 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:proftpd:proftpd:1.3.3:b:*:*:*:*:*:*1.3.3 bVulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.3:rc1:*:*:*:*:*:*1.3.3 rc1VulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.3:rc2:*:*:*:*:*:*1.3.3 rc2VulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.3:rc3:*:*:*:*:*:*1.3.3 rc3VulnerableProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.3:rc4:*:*:*:*:*:*1.3.3 rc4VulnerableProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.3:b:*:*:*:*:*:* Versions 1.3.3 b Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.3:rc1:*:*:*:*:*:* Versions 1.3.3 rc1 Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.3:rc2:*:*:*:*:*:* Versions 1.3.3 rc2 Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.3:rc3:*:*:*:*:*:* Versions 1.3.3 rc3 Vulnerable ·ProFTPD
  • cpe:2.3:a:proftpd:proftpd:1.3.3:rc4:*:*:*:*:*:* Versions 1.3.3 rc4 Vulnerable ·ProFTPD

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-2010-4221
  2. 2026-10-03 Alias added: GHSA-gf2w-q84f-pmmw

References

Exploit 1

Advisory 4

Other 5

  • TI-2015-02923 Access control flaw in ProFTPD mod_copy allows arbitrary file access KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-05061 ProFTPD 1.3.3c Backdoor Command Execution CVSS 4.0CRITICAL 9.3
  • TI-2019-09597 An arbitrary file copy vulnerability in mod_copy in ProFTPD up to 1.3.5b allows for… CVSS 3.1CRITICAL 9.8
  • TI-2026-30493 SQL injection in ProFTPD CVSS 3.1HIGH 8.1
  • TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
  • TI-2011-03647 Use-after-free vulnerability in the Response API in ProFTPD before 1.3.3g allows remote… CVSS 2.0HIGH 9.0
See all 32 →

Sources

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