CVE-2016-2850

mediumpriority · track · 31EPSS 0.021 · 82 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.12% (82nd) EPSS

CVSS 5 · medium

Is it mine?

31 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Botan 1.11.x before 1.11.29 does not enforce TLS policy for (1) signature algorithms and (2) ECC curves, which allows remote attackers to conduct downgrade attacks via unspecified vectors.

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 · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (31)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
botan project botan= 1.11.0nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.1nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.10nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.11nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.12nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.13nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.14nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.15nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.16nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.17nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.18nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.19nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.2nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.20nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.21nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.22nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.23nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.24nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
botan project botan= 1.11.25nvdUScpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*

showing 20 of 31

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 2016-05-13modified 2026-06-17

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references (10)

External citations — patches, advisories, analysis.

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