CVE-2002-0002

highpriority · track · 42EPSS 0.053 · 93 %ileexploit · functionalEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

5.28% (93rd) EPSS

CVSS 7.5 · high

Is it mine?

30 products

Check your exposure

Who says so?

3 sources

enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Format string vulnerability in stunnel before 3.22 when used in client mode for (1) smtp, (2) pop, or (3) nntp allows remote malicious servers to execute arbitrary code.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Psecondary · FSTEC (BDU) RU

v2.06.8mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-134USLLM-inferred

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-21192STunnel 3.x - Client Negotiation Protocol Format Stringfunctional · exploit_db

affected products (30)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Red Hat Inc. Red Hat Enterprise Linux≤ 8fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 7.3fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 7.2fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 7.1fstec_bduRU
engardelinux secure linux= 1.0.1nvdUScpe:2.3:o:engardelinux:secure_linux:*:*:*:*:*:*:*:*
mandrakesoft mandrake linux= 8.1nvdUScpe:2.3:o:mandrakesoft:mandrake_linux:*:*:*:*:*:*:*:*
redhat linux= 7.2nvdUScpe:2.3:o:redhat:linux:*:*:*:*:*:*:*:*
stunnel stunnel= 3.10nvdUScpe:2.3:a:stunnel:stunnel:*:*:*:*:*:*:*:*
stunnel stunnel= 3.11nvdUScpe:2.3:a:stunnel:stunnel:*:*:*:*:*:*:*:*
stunnel stunnel= 3.12nvdUScpe:2.3:a:stunnel:stunnel:*:*:*:*:*:*:*:*
stunnel stunnel= 3.13nvdUScpe:2.3:a:stunnel:stunnel:*:*:*:*:*:*:*:*
stunnel stunnel= 3.14nvdUScpe:2.3:a:stunnel:stunnel:*:*:*:*:*:*:*:*
stunnel stunnel= 3.15nvdUScpe:2.3:a:stunnel:stunnel:*:*:*:*:*:*:*:*
stunnel stunnel= 3.16nvdUScpe:2.3:a:stunnel:stunnel:*:*:*:*:*:*:*:*
stunnel stunnel= 3.17nvdUScpe:2.3:a:stunnel:stunnel:*:*:*:*:*:*:*:*
stunnel stunnel= 3.18nvdUScpe:2.3:a:stunnel:stunnel:*:*:*:*:*:*:*:*
stunnel stunnel= 3.19nvdUScpe:2.3:a:stunnel:stunnel:*:*:*:*:*:*:*:*
stunnel stunnel= 3.20nvdUScpe:2.3:a:stunnel:stunnel:*:*:*:*:*:*:*:*
stunnel stunnel= 3.21nvdUScpe:2.3:a:stunnel:stunnel:*:*:*:*:*:*:*:*

showing 20 of 30

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2002-01-31modified 2026-06-16

references (16)

External citations — patches, advisories, analysis.

scry

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