CVE-2023-34037

mediumpriority · track · 21EPSS 0.005 · 40 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.46% (40th) EPSS

CVSS 5.3 · medium

Is it mine?

18 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

VMware Horizon Server contains a HTTP request smuggling vulnerability. A malicious actor with network access may be able to perform HTTP smuggle requests.

cvss

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

5.3

010

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

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · security@vmware.comexploitability 3.9 · impact 1.4

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-444USprimaryCWE-444US

affected products (18)

Products and version ranges known to be affected.

n/a VMware Horizon Server≤ Horizon Server 2306, Horizon Server 2303, Horizon Server 2212, Horizon Server 2209, Horizon Server 2206, Horizon Server 2111.x, Horizon Server 2106, Horizon Server 2103, Horizon Server 2012, Horizon Server 2006enisa_euvdEU
Omnissa Omnissa Horizon Connection Server2006 → 2111.2fstec_bduRU
Omnissa Omnissa Horizon Connection Server2012 → 2111.2fstec_bduRU
Omnissa Omnissa Horizon Connection Server2103 → 2111.2fstec_bduRU
Omnissa Omnissa Horizon Connection Server2106 → 2111.2fstec_bduRU
Omnissa Omnissa Horizon Connection Server2111.0 → 2111.2fstec_bduRU
Omnissa Omnissa Horizon Connection Server2206 → 2209.1fstec_bduRU
Omnissa Omnissa Horizon Connection Server2209 → 2209.1fstec_bduRU
Omnissa Omnissa Horizon Connection Server2212 → 2212.1fstec_bduRU
Omnissa Omnissa Horizon Connection Server2303 → 2306fstec_bduRU
vmware horizon client= 2006nvdUScpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:*
vmware horizon client= 2012nvdUScpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:*
vmware horizon client= 2103nvdUScpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:*
vmware horizon client= 2106nvdUScpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:*
vmware horizon client= 2111nvdUScpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:*
vmware horizon client= 2111.1nvdUScpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:*
vmware horizon client= 2203nvdUScpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:*
vmware horizon client= 2212nvdUScpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1959VMware Horizon: Mehrere SchwachstellenDeutsch2023-08-03csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in VMware Horizon ausnutzen, um Sicherheitsvorkehrungen zu umgehen oder sensible Informationen offenzulegen.

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 cert_bund NVD CVE.org MITRE

published 2023-08-04modified 2026-06-17

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Related entries.

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+548 more

references (5)

External citations — patches, advisories, analysis.

scry

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