vciy

CVE-2025-22457

INDEX BUILT · 2026-09-20

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A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTA Gateways…

CVE-2025-224574 of 4 sources documented this
79

rank 79 = 40 + 25 + 2 + 6 + 6

rank@v1 · act now

Someone is already using it

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

EPSS 0.99981 · CISA KEV listed  ·  without this subject the record ranks 39

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 54

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

rose on 2026-01-18  ·  without this subject the record ranks 77

How much of the world it touches

NVD CPE configurations

6 products in the CPE ranges  ·  without this subject the record ranks 73

Someone else already set the date

CISA KEV remediation due date

CISA remediation date held  ·  without this subject the record ranks 73

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$4.99Mover the next 30 days, if this record is yours
Movement+$618,000on 2026-01-18, the last material move, 7 months before this reading
Basisassumeda published average, not your estate

$4.99M = $4.99M incident cost x 1 exposure x 0.99981 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

0.99981EPSSKEV · LISTED
Severity9 CRITICALreceipt
Harmtotal loss · unauthenticated · ransomware-linkedreceipt
Exploitationransomware use knownreceipt
Defensefix version namedreceipt
Movementdoubled within 72hreceipt
PLATEAU10Minimal movement since 2026-06-15, 87 days at 1.00, as of 2026-09-10. arc-rules@v1

Foresight · where to check next

Ivanti ConnectCisco SmallSonicWall SMA100DD-WRTFortinet FortiNDR22457

This record is one instance of CWE-121, stack-based buffer overflow. The index holds 3819 prior instances of this class, 18 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

Sources disagree here.

Severity score
Ivanti9 CRITICALreceipt
NVD9.8 CRITICALreceipt
What it costs
IvantiComplete confidentiality, integrity and availability loss, with impact beyond the vulnerable componentreceipt
NVDComplete confidentiality, integrity and availability lossreceipt

Both shown, dated. We don't pick winners. disagreement-rules@v1

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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 · high attack complexityreceipt
ImpactComplete confidentiality, integrity and availability loss, with impact beyond the vulnerable componentreceipt
Scored fromCVSS v3.1 · the CNA's vectorreceipt
Weakness classCWE-121 Stack-based Buffer Overflowreceipt
Published consequencesCWE-121: Availability: Modify Memory, DoS: Crash, Exit, or Restart, DoS: Resource Consumption (CPU), DoS: Resource Consumption (Memory)…[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 in22.7R2.6; 22.7R1.4; 22.8R2.2receipt
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 2025-04-11receipt
CISA required actionApply mitigations as set forth in the CISA instructions linked below.receipt
Published to CISA KEV1 dayderived

Exploit Status & Known PoCs a ladder, not a score

Current rung: Ransomware campaign use known, 2025-04-04.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published · 5 public repositories2025-04-08receipt
  • RUNG 3Exploited in the wild · CISA KEV listed2025-04-04receipt
  • RUNG 4Ransomware campaign use known2025-04-04receipt

Authority who says so

CVSS, the CNA9 CRITICALreceipt
CVSS, NVD9.8 CRITICALreceipt
Exploit probability0.99981 · top 0.02% of all CVEsreceipt
Blast breadth3 products across 1 vendorderived
Assigned byivantireceipt
Recorded changes90 · last 10 Sep 2026derived

Affected & Fixed Versions as published

Affected productIvanti Connect Secure; Ivanti Policy Secure; Ivanti Neurons for ZTA gatewaysreceipt
Published rangesivanti connect secure < 22.7; ivanti connect secure 22.7; ivanti policy secure < 22.7; ivanti policy secure 22.7receipt
Show all 6 published ranges
ivanti connect secure < 22.7
ivanti connect secure 22.7
ivanti policy secure < 22.7
ivanti policy secure 22.7
ivanti zero trust access gateway < 22.8
ivanti zero trust access gateway 22.8
Fixed in22.7R2.6; 22.7R1.4; 22.8R2.2receipt

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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Attack path

Unauthenticated network requestno credentials, no interactionCISA KEV listingadded 04-04 · due 04-11Ivanti Policy SecureCWE-121 weaknessAdjacent componentsscope changeFull compromise (C/I/A)C:H / I:H / A:Hmandates remediationexploits CWE-121scope changedata compromise

What it is stated by the CNA

A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTA Gateways before version 22.8R2.2 allows a remote unauthenticated attacker to achieve remote code execution. 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-121; CWE-787
affected versions
ivanti connect secure < 22.7; ivanti connect secure 22.7; ivanti policy secure < 22.7; and 3 more, listed in full below
also scored by
9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

The CNA scored it 9 and NVD 9.8. Both are shown because both were published; we do not pick one.

check it yourself forums.ivanti.com receipt

Dated events

2025-04-04Added to CISA KEV2025-04-05EPSS moved 0.01 to 0.102025-04-11CISA remediation due2026-06-15EPSS moved 0.56 to 1.00

Movement the material steps

4 Apr 20250.00515
5 Apr 20250.10465 · crossed 0.10
6 Apr 20250.09437 · crossed 0.10
9 Apr 20250.24069 · crossed 0.10
15 Apr 20250.09835 · crossed 0.10
24 Apr 20250.10245 · crossed 0.10
15 May 20250.08722 · crossed 0.10
16 May 20250.21809 · crossed 0.10
5 Jun 20250.34613
22 Jul 20250.23792
16 Aug 20250.38504
30 Aug 20250.50528 · crossed 0.50
31 Aug 20250.73096
15 Dec 20250.55054
18 Dec 20250.49132 · crossed 0.50
27 Dec 20250.61518 · crossed 0.50
29 Dec 20250.49132 · crossed 0.50
18 Jan 20260.61518 · crossed 0.50
12 May 20260.5103
15 Jun 20260.99961 · crossed 0.90 · scoring model v2026.06.15
10 Sep 20260.99981

This score more than doubled inside 72 hours. Both observations are in the full history below.

Show all 76 observations
4 Apr 20250.00515
5 Apr 20250.10465
6 Apr 20250.09437
9 Apr 20250.24069
15 Apr 20250.09835
16 Apr 20250.09862
24 Apr 20250.10245
5 May 20250.11035
6 May 20250.12221
15 May 20250.08722
16 May 20250.21809
23 May 20250.18173
28 May 20250.2542
1 Jun 20250.28135
5 Jun 20250.34613
10 Jun 20250.32375
15 Jun 20250.3062
19 Jun 20250.26109
20 Jun 20250.26466
1 Jul 20250.30344
2 Jul 20250.32772
15 Jul 20250.29773
16 Jul 20250.32772
17 Jul 20250.35167
20 Jul 20250.32077
22 Jul 20250.23792
26 Jul 20250.28162
3 Aug 20250.25174
4 Aug 20250.3133
16 Aug 20250.38504
18 Aug 20250.4292
20 Aug 20250.38504
22 Aug 20250.33513
30 Aug 20250.50528
31 Aug 20250.73096
4 Sep 20250.75813
14 Sep 20250.73838
16 Sep 20250.73096
21 Sep 20250.68521
30 Sep 20250.71695
16 Oct 20250.69383
17 Oct 20250.75533
19 Oct 20250.73534
20 Oct 20250.69383
22 Oct 20250.73838
25 Oct 20250.77492
28 Oct 20250.76863
18 Nov 20250.8281
21 Nov 20250.76863
27 Nov 20250.73531
14 Dec 20250.66568
15 Dec 20250.55054
18 Dec 20250.49132
27 Dec 20250.61518
29 Dec 20250.49132
18 Jan 20260.61518
28 Jan 20260.55523
3 Mar 20260.53659
21 Apr 20260.5605
23 Apr 20260.59357
24 Apr 20260.53659
10 May 20260.53799
11 May 20260.55972
12 May 20260.5103
16 May 20260.55896
22 May 20260.58941
29 May 20260.55896
6 Jun 20260.58941
14 Jun 20260.55896
15 Jun 20260.99961
24 Jun 20260.99973
5 Jul 20260.99979
24 Jul 20260.99932
4 Aug 20260.9999
30 Aug 20260.9998
10 Sep 20260.99981

76 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 0.99981Published2025-04-03CISA KEV2025-04-04Public PoC2025-04-08Index as of2026-09-10

Listed by CISA one day after it published, exploit probability more than doubled between 2025-04-04 and 2025-04-05 (0.00515 → 0.10465) and the record had been public for 1 year, 5 months when this index was last written.

Published 2025-04-03 receipt · CISA KEV 2025-04-04 receipt · Public PoC 2025-04-08 receipt · Index as of 2026-09-10 derived

The pattern, elsewhere

This record is one instance of CWE-121, stack-based buffer overflow. The index holds 3819 prior instances of this class, 18 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2025-0282 · Ivanti Connect Securematches 10 of 10KEV listed · 2025receipt
CVE-2022-20700 · Cisco Small Business RV Series Router Firmwarematches 8 of 10KEV listed · 2022receipt
CVE-2022-20701 · Cisco Small Business RV Series Router Firmwarematches 8 of 10KEV listed · 2022receipt
CVE-2021-20038 · SonicWall SMA100matches 7 of 10KEV listed · 2021receipt
CVE-2021-27137 · DD-WRTmatches 7 of 10KEV listed · 2026receipt
CVE-2025-32756 · Fortinet FortiNDRmatches 7 of 10KEV listed · 2025receipt

"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

3819 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.

Siblings and hubs

Records related to this one

Its defect family

ivanti connect secure

Of the 8 records in this family, this is the only one with public proof-of-concept code, and it holds 5 references to it.

Grouped by shared product and weakness, not by shared vulnerability. Each record's own state is on its own page.

Family membership: held values

This record is one of a group, and the group's page describes all of them. This page is kept and dated, and the defect family's own page is the one we offer for indexing: the whole group.

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What usually comes next

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