CVE-2023-39340

highpriority · track · 31EPSS 0.024 · 84 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.38% (84th) EPSS

CVSS 7.5 · high

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · cert_bund

EPSS · scored 2026-10-27

A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker can send a specific request which may lead to Denial of Service (DoS) of the appliance.

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 · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · support@hackerone.comexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USLLM-inferred

affected products (8)

Products and version ranges known to be affected.

Ivanti Connect Secure22.6.1 → 22.6.1enisa_euvdEU
ivanti connect secure= 22.1nvdUScpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*
ivanti connect secure= 22.2nvdUScpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*
ivanti connect secure= 22.3nvdUScpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*
ivanti connect secure= 22.4nvdUScpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*
ivanti connect secure= 22.5nvdUScpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*
ivanti connect secure= 22.6nvdUScpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*
ivanti connect secure= 9.1nvdUScpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-3114Ivanti Connect Secure: Mehrere SchwachstellenDeutsch2023-12-11csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Ivanti Connect Secure ausnutzen, um einen Denial of Service Angriff durchzuführen seine Rechte zu erweitern oder Code auszuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd cert_bund NVD CVE.org MITRE

published 2023-12-16modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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