CVE-2017-20120

mediumpriority · track · 35EPSS 0.005 · 42 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.49% (42nd) EPSS

CVSS 6.8 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-26

A vulnerability classified as problematic was found in TrueConf Server 4.3.7. This vulnerability affects unknown code of the file /admin/service/stop/. The manipulation leads to cross-site request forgery. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.5–8.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.13.5lowAV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · cna@vuldb.comexploitability 2.8 · impact 1.4

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-352USprimaryCWE-352US

affected products (4)

Products and version ranges known to be affected.

TrueConf Server≤ 4.3.7enisa_euvdEU
ООО «Труконф» TrueConf Server≤ 4.4.0fstec_bduRU
trueconf trueconf server= 4.3.7.12219nvdUScpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:*:*:*
trueconf trueconf server= 4.3.7.12255nvdUScpe:2.3:a:trueconf:trueconf_server:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2022-06-29modified 2026-08-20

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+10346 more

references (8)

External citations — patches, advisories, analysis.

https://cxsecurity.com/cveshow/CVE-2017-20120/cnnvd
https://trueconf.com/products/tcsf/trueconf-server-free.htmlPatchcnnvd
https://vuldb.com/?id.96634 cnnvd
https://www.exploit-db.com/exploits/41184/cnnvd
https://vuldb.com/?id.96634 enisa_euvd
https://www.exploit-db.com/exploits/41184/enisa_euvd
https://vuldb.com/?id.96634Permissions RequiredThird Party Advisorynvd
https://www.exploit-db.com/exploits/41184/Third Party AdvisoryVDB Entrynvd

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