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TI-2013-01832 Aliases CVE-2013-2061GHSA-j3mr-328w-64j3

The openvpn_decrypt function in crypto.c in OpenVPN 2.3.0 and earlier, when running in…

Priority LOW 18CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
Information disclosure
Confidentiality · integrity · availability
Partial · None · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

The openvpn_decrypt function in crypto.c in OpenVPN 2.3.0 and earlier, when running in UDP mode, allows remote attackers to obtain sensitive information via a timing attack involving an HMAC comparison function that does not run in constant time and a padding oracle attack on the CBC mode cipher.

Why it matters now

EPSS 0.02813 86th 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 · 16

CPEVersionsRoleVendor
cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*up to 2.3.0VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn:1.2.0:*:*:*:*:*:*:*1.2.0VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn:1.2.1:*:*:*:*:*:*:*1.2.1VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn:1.3.0:*:*:*:*:*:*:*1.3.0VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn:1.3.1:*:*:*:*:*:*:*1.3.1VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn:1.3.2:*:*:*:*:*:*:*1.3.2VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn:1.4.0:*:*:*:*:*:*:*1.4.0VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn:1.4.1:*:*:*:*:*:*:*1.4.1VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn:1.4.2:*:*:*:*:*:*:*1.4.2VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn:1.4.3:*:*:*:*:*:*:*1.4.3VulnerableOpenVPN
  • cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:* Versions up to 2.3.0 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn:1.2.0:*:*:*:*:*:*:* Versions 1.2.0 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn:1.3.2:*:*:*:*:*:*:* Versions 1.3.2 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn:1.4.0:*:*:*:*:*:*:* Versions 1.4.0 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn:1.4.1:*:*:*:*:*:*:* Versions 1.4.1 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn:1.4.2:*:*:*:*:*:*:* Versions 1.4.2 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn:1.4.3:*:*:*:*:*:*:* Versions 1.4.3 Vulnerable ·OpenVPN
Show 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:openvpn:openvpn:1.5.0:*:*:*:*:*:*:*1.5.0VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn:1.6.0:*:*:*:*:*:*:*1.6.0VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn:2.1.0:*:*:*:*:*:*:*2.1.0VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn:2.2.0:*:*:*:*:*:*:*2.2.0VulnerableOpenVPN
cpe:2.3:a:openvpn:openvpn_access_server:2.0.0:*:*:*:*:*:*:*2.0.0VulnerableOpenVPN
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*11.4VulnerableopenSUSE
  • cpe:2.3:a:openvpn:openvpn:1.5.0:*:*:*:*:*:*:* Versions 1.5.0 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn:1.6.0:*:*:*:*:*:*:* Versions 1.6.0 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·OpenVPN
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·OpenVPN
  • cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE

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-2013-2061
  2. 2026-10-03 Alias added: GHSA-j3mr-328w-64j3

References

Exploit 1

Advisory 5

Other 4

Sources

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