CVE-2024-21894

criticalpriority · attend · 46EPSS 0.190 · 97 %ileDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

19.0% (97th) EPSS

CVSS 9.8 · critical

Is it mine?

56 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-26

A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated malicious user to send specially crafted requests in-order-to crash the service thereby causing a DoS attack. In certain conditions this may lead to execution of arbitrary code

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.2–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.08.2highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · ENISA EU

v3.08.2highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · support@hackerone.comexploitability 3.9 · impact 4.2

v3.18.6highAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · 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-787USprimaryCWE-122USCWE-703US

affected products (56)

Products and version ranges known to be affected.

Ivanti Connect Secureall versionscert_bundDEcpe:/a:ivanti:connect_secure:-
Ivanti Policy Secureall versionscert_bundDEcpe:/a:ivanti:policy_secure:-
Ivanti Connect Secureall versionsenisa_euvdEU
Ivanti Connect Secure22.1R6.2 → 22.1R6.2enisa_euvdEU
Ivanti Connect Secure22.2R4.2 → 22.2R4.2enisa_euvdEU
Ivanti Connect Secure22.3R1.2 → 22.3R1.2enisa_euvdEU
Ivanti Connect Secure22.4R1.2 → 22.4R1.2enisa_euvdEU
Ivanti Connect Secure22.4R2.4 → 22.4R2.4enisa_euvdEU
Ivanti Connect Secure22.5R1.3 → 22.5R1.3enisa_euvdEU
Ivanti Connect Secure22.5R2.4 → 22.5R2.4enisa_euvdEU
Ivanti Connect Secure22.6R2.3 → 22.6R2.3enisa_euvdEU
Ivanti Connect Secure9.1R14.6 → 9.1R14.6enisa_euvdEU
Ivanti Connect Secure9.1R15.4 → 9.1R15.4enisa_euvdEU
Ivanti Connect Secure9.1R16.4 → 9.1R16.4enisa_euvdEU
Ivanti Connect Secure9.1R17.4 → 9.1R17.4enisa_euvdEU
Ivanti Connect Secure9.1R18.5 → 9.1R18.5enisa_euvdEU
Ivanti Policy Secureall versionsenisa_euvdEU
Ivanti Policy Secure22.4R1.2 → 22.4R1.2enisa_euvdEU
Ivanti Policy Secure22.6R1.2 → 22.6R1.2enisa_euvdEU
Ivanti Policy Secure9.1R16.4 → 9.1R16.4enisa_euvdEU

showing 20 of 56

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0784Ivanti Connect Secure und Policy Secure: Mehrere SchwachstellenDeutsch2024-04-03csaf · cert_bundDE
Ein entfernter anonymer Angreifer kann mehrere Schwachstellen in Ivanti Connect Secure und Ivanti Policy Secure ausnutzen, um beliebigen Code auszuführen, einen Denial-of-Service-Zustand zu verursachen oder vertrauliche Informationen offenzulegen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2024-04-04modified 2026-06-17

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+16091 more

references (4)

External citations — patches, advisories, analysis.

scry

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