CVE-2013-2061

lowpriority · track · 11EPSS 0.028 · 86 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.81% (86th) EPSS

CVSS 2.6 · low

Is it mine?

17 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

2.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.02.6lowAV:N/AC:H/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 4.9 · impact 2.9

v2.02.2lowAV:N/AC:H/Au:N/C:P/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimary

affected products (17)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
opensuse opensuse= 11.4nvdUScpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
openvpn openvpn≤ 2.3.0nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 1.2.0nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 1.2.1nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 1.3.0nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 1.3.1nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 1.3.2nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 1.4.0nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 1.4.1nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 1.4.2nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 1.4.3nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 1.5.0nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 1.6.0nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 2.1.0nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn= 2.2.0nvdUScpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
openvpn openvpn access server= 2.0.0nvdUScpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2013-11-18modified 2026-06-16

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+19392 more

references (28)

External citations — patches, advisories, analysis.

scry

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