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CVE-2021-44529

INDEX BUILT · 2026-09-20

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A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited…

CVE-2021-445294 of 4 sources documented this
75

rank 75 = 40 + 25 + 0 + 4 + 6

rank@v1 · act now

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.99105 · CISA KEV listed  ·  without this subject the record ranks 35

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 9.8, from NVD  ·  without this subject the record ranks 50

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 75

How much of the world it touches

NVD CPE configurations

2 products in the CPE ranges  ·  without this subject the record ranks 71

Someone else already set the date

CISA KEV remediation due date

CISA remediation date held  ·  without this subject the record ranks 69

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$4.95Mover the next 30 days, if this record is yours
Movement+$2.69Mon 2023-01-18, the last material move, 3 years, 7 months before this reading
Basisassumeda published average, not your estate

$4.95M = $4.99M incident cost x 1 exposure x 0.99105 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.99105EPSSKEV · LISTED
Severity9.8 CRITICALreceipt
Harmtotal loss · unauthenticated · ransomware-linkedreceipt
Exploitationransomware use knownreceipt
Defenseno fix version held
Movementscoring model changedreceipt
PLATEAU10Minimal movement since 2023-01-18, 1325 days at 0.99, as of 2026-09-04. arc-rules@v1

Foresight · where to check next

Ivanti Endpointlangflow-aiRejetto HTTP FileCitrix NetScalerVMware Workspace44529

This record is one instance of CWE-94, improper control of generation of code ('code injection'). The index holds 7184 prior instances of this class, 78 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1

Full pattern panel

Prior records in this weakness class. Each is its own record, dated and receipted.
Color is a claim, not decoration:the hostile worldthe defenseno signalspoke length is how much of the record matches, not how bad it is

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Harm, if it fires from the vector and the weakness

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Reachnetwork-reachable · no privileges required · no user interaction · low attack complexityreceipt
ImpactComplete confidentiality, integrity and availability lossreceipt
Scored fromCVSS v3.1 · NVD's vectorreceipt
Weakness classCWE-94 Improper Control of Generation of Code ('Code Injection')receipt
Published consequencesCWE-94: Access Control: Bypass Protection Mechanism; Access Control: Gain Privileges or Assume Identity; Integrity, Confidentiality, Availability: Execute Unauthorized Code or Commands…[email protected]
Ransomware campaign useKnown (CISA)receipt

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed inNo fix version in held sources, as the index stood on 4 Sep 2026.
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.
CISA remediation statusoverdue since 2024-04-15receipt
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.receipt
Published to CISA KEV838 daysderived

Exploit Status & Known PoCs a ladder, not a score

Current rung: Ransomware campaign use known, 2024-03-25.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published · 2 public repositories2022-03-24receipt
  • RUNG 3Exploited in the wild · CISA KEV listed2024-03-25receipt
  • RUNG 4Ransomware campaign use known2024-03-25receipt

Authority who says so

CVSS, NVD9.8 CRITICALreceipt
Exploit probability0.99105 · top 0.07% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned byhackeronereceipt
Recorded changes65 · last 5 Sep 2026derived

Affected & Fixed Versions as published

Affected productIvanti EPMreceipt
Published rangesivanti endpoint manager cloud services appliance <= 4.5; ivanti endpoint manager cloud services appliance 4.6receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited permissions (nobody). receipt

NVD's analysis a second authority

severity
9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
weakness
CWE-94
affected versions
ivanti endpoint manager cloud services appliance <= 4.5; ivanti endpoint manager cloud services appliance 4.6
also scored by
9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

check it yourself forums.ivanti.com packetstormsecurity.com packetstormsecurity.com receipt

Dated events

2022-02-04EPSS moved 0.03 to 0.152023-01-18EPSS moved 0.38 to 0.922024-03-25Added to CISA KEV2024-04-15CISA remediation due

Movement the material steps

9 Dec 20210.00731
4 Feb 20220.15362 · crossed 0.10
20 Mar 20220.26588
23 Mar 20220.38473
18 Jan 20230.92324 · crossed 0.50 and 0.90
7 Mar 20230.9633 · scoring model v2023.03.01
17 Mar 20250.94461 · scoring model v2025.03.14
15 Jun 20260.99105 · scoring model v2026.06.15
Show all 51 observations
9 Dec 20210.00731
6 Jan 20220.03197
4 Feb 20220.15362
20 Mar 20220.26588
22 Mar 20220.32533
23 Mar 20220.38473
15 Jul 20220.32533
15 Nov 20220.38473
18 Jan 20230.92324
19 Jan 20230.94114
7 Mar 20230.9633
8 Mar 20230.96330
15 Mar 20230.96042
28 Mar 20230.95898
8 May 20230.95404
21 May 20230.95030
18 Jun 20230.95187
1 Jul 20230.95207
8 Jul 20230.96445
16 Jul 20230.96272
30 Jul 20230.96038
28 Aug 20230.95797
27 Sep 20230.95982
5 Dec 20230.95739
22 Dec 20230.94961
4 Jan 20240.95206
1 Feb 20240.95498
15 Feb 20240.95454
1 Mar 20240.95621
26 Mar 20240.96887
5 Apr 20240.97164
10 Apr 20240.97068
9 May 20240.97096
6 Jun 20240.97077
2 Jul 20240.97123
14 Jul 20240.97216
10 Aug 20240.97179
23 Aug 20240.97138
6 Sep 20240.97123
30 Oct 20240.97186
13 Nov 20240.97166
11 Dec 20240.97141
17 Dec 20240.97427
25 Dec 20240.97395
10 Jan 20250.97374
17 Mar 20250.94461
29 Mar 20250.94468
30 Mar 20250.94461
18 Nov 20250.94394
21 Nov 20250.94461
15 Jun 20260.99105

51 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.99105Published2021-12-08Public PoC2022-03-24CISA KEV2024-03-25Index as of2026-09-04

Listed by CISA 838 days after it published and the record had been public for 4 years, 8 months when this index was last written.

No material movement in 81 days as of the last ingest this index recorded.

Published 2021-12-08 receipt · Public PoC 2022-03-24 receipt · CISA KEV 2024-03-25 receipt · Index as of 2026-09-04 derived

The pattern, elsewhere

This record is one instance of CWE-94, improper control of generation of code ('code injection'). The index holds 7184 prior instances of this class, 78 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2026-1281 · Ivanti Endpoint Manager Mobilematches 9 of 9KEV listed · 2026receipt
CVE-2026-1340 · Ivanti Endpoint Manager Mobilematches 9 of 9KEV listed · 2026receipt
CVE-2025-3248 · langflow-ai langflowmatches 8 of 9KEV listed · 2025receipt
CVE-2024-23692 · Rejetto HTTP File Servermatches 8 of 9KEV listed · 2024receipt
CVE-2023-3519 · Citrix NetScaler ADCmatches 8 of 9KEV listed · 2023receipt
CVE-2022-22954 · VMware Workspace ONE Access and Identity…matches 8 of 9KEV listed · 2022receipt

"Matches n of m" counts the attributes the two records can both be compared on: the CVSS metrics they share a version of, any weakness class beyond this one, and the vendor. fit-rules@v1

7184 records in this class held. The six above are drawn from the ones CISA has listed as exploited, ranked by how much of the record matches this one. That is why every one of them is KEV-listed: the pool is, so the colour on those spokes says nothing the pool has not already said.

No curated product neighbourhood is held for this product, so the records above are the nearest this index can name. The neighbourhood table covers a small set of products and is extended by hand.

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