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A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version…
CVE-2023-279974 of 4 sources documented this
rank 82 = 40 + 25 + 1 + 10 + 6
rank@v1 · act now
Someone is already using it
CISA KEV catalog · public proof-of-concept · FIRST EPSS
EPSS 0.85689 · CISA KEV listed · without this subject the record ranks 42
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 57
It is getting worse, not staying still
FIRST EPSS series, rescorings and bad loads removed
rose on 2025-11-21 · without this subject the record ranks 81
How much of the world it touches
NVD CPE configurations
20 products in the CPE ranges · without this subject the record ranks 72
Someone else already set the date
CISA KEV remediation due date
CISA remediation date held · without this subject the record ranks 76
Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$4.28Mover the next 30 days, if this record is yours
Movement+$60,500on 2026-05-12, the last material move, 3 months before this reading
Basisassumeda published average, not your estate
$4.28M = $4.99M incident cost x 1 exposure x 0.85689 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.
PLATEAUMinimal movement since 2025-03-17, 536 days at 0.86, as of 2026-09-04. arc-rules@v1
Foresight · where to check next
This record is one instance of CWE-122, heap-based buffer overflow. The index holds 3215 prior instances of this class, 19 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1
Both shown, dated. We don't pick winners. disagreement-rules@v1
Running Fortinet FortiOS-6K7K? Check your version
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Harm, if it fires from the vector and the weakness
Written for the ticket you're about to file.
Reachnetwork-reachable · no privileges required · no user interaction · low attack complexityreceipt
ImpactComplete confidentiality, integrity and availability lossreceipt
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 2023-07-04receipt
CISA required actionApply updates per vendor instructions.receipt
Published to CISA KEVsame dayderived
Exploit Status & Known PoCs a ladder, not a score
Current rung: Ransomware campaign use known, 2023-06-13.
RUNG 1Nothing observed in held sources
RUNG 2Proof-of-concept published · 11 public repositories2023-06-16receipt
RUNG 3Exploited in the wild · CISA KEV listed2023-06-13receipt
RUNG 4Ransomware campaign use known2023-06-13receipt
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.
Attack path
What it is stated by the CNA
A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below, version 1.2 all versions, version 1.1 all versions SSL-VPN may allow a remote attacker to execute arbitrary code or commands via specifically crafted requests. 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-122; CWE-787
affected versions
fortinet fortiproxy >= 1.1.0 <= 1.1.6; fortinet fortiproxy >= 1.2.0 <= 1.2.13; fortinet fortiproxy >= 2.0.0 <= 2.0.12; and 17 more, listed in full below
17 Mar 20250.85304 · crossed 0.10 and 0.50 · scoring model v2025.03.14
15 Apr 20250.90268 · crossed 0.90
5 May 20250.88293 · crossed 0.90
16 May 20250.90411 · crossed 0.90
17 May 20250.89722 · crossed 0.90
11 Jun 20250.90074 · crossed 0.90
28 Jun 20250.89885 · crossed 0.90
30 Jun 20250.90159 · crossed 0.90
18 Nov 20250.87132 · crossed 0.90
21 Nov 20250.91362 · crossed 0.90
9 Dec 20250.89737 · crossed 0.90
18 Dec 20250.90305 · crossed 0.90
1 Jan 20260.89916 · crossed 0.90
13 Jan 20260.90645 · crossed 0.90
24 Jan 20260.89476 · crossed 0.90
17 Feb 20260.90231 · crossed 0.90
5 Mar 20260.89257 · crossed 0.90
10 Mar 20260.90231 · crossed 0.90
9 Apr 20260.88896 · crossed 0.90
19 Apr 20260.90319 · crossed 0.90
21 Apr 20260.89017 · crossed 0.90
22 Apr 20260.90709 · crossed 0.90
6 May 20260.88896 · crossed 0.90
9 May 20260.90156 · crossed 0.90
10 May 20260.8921 · crossed 0.90
12 May 20260.90319 · crossed 0.90
15 Jun 20260.85689 · crossed 0.90 · scoring model v2026.06.15
Show all 168 observations
14 Jun 20230.01271
21 Jun 20230.03124
23 Jun 20230.05748
8 Jul 20230.15407
13 May 20240.15076
25 May 20240.12654
8 Jun 20240.14707
19 Jun 20240.13466
15 Jul 20240.13326
22 Aug 20240.11945
4 Sep 20240.10727
14 Oct 20240.09188
27 Oct 20240.09716
23 Nov 20240.10597
17 Dec 20240.10106
3 Jan 20250.10651
18 Jan 20250.08388
17 Mar 20250.85304
19 Mar 20250.89835
28 Mar 20250.87333
29 Mar 20250.89835
30 Mar 20250.87333
15 Apr 20250.90268
17 Apr 20250.90682
18 Apr 20250.90283
19 Apr 20250.91925
23 Apr 20250.91162
24 Apr 20250.91008
1 May 20250.91271
2 May 20250.90164
3 May 20250.90276
5 May 20250.88293
6 May 20250.8616
15 May 20250.89011
16 May 20250.90411
17 May 20250.89722
18 May 20250.89687
21 May 20250.89722
22 May 20250.87935
26 May 20250.87887
3 Jun 20250.86993
4 Jun 20250.87414
5 Jun 20250.87894
6 Jun 20250.88798
9 Jun 20250.88355
10 Jun 20250.89237
11 Jun 20250.90074
15 Jun 20250.90471
16 Jun 20250.91027
17 Jun 20250.90471
27 Jun 20250.90849
28 Jun 20250.89885
30 Jun 20250.90159
1 Jul 20250.90601
4 Jul 20250.90525
16 Jul 20250.90631
18 Jul 20250.91381
23 Jul 20250.90881
24 Jul 20250.9045
25 Jul 20250.90601
31 Jul 20250.91221
1 Aug 20250.90355
5 Aug 20250.90525
16 Aug 20250.91331
17 Aug 20250.91727
18 Aug 20250.91785
21 Aug 20250.91837
22 Aug 20250.92031
23 Aug 20250.91335
27 Aug 20250.91138
28 Aug 20250.91553
3 Sep 20250.91138
4 Sep 20250.91335
5 Sep 20250.91023
9 Sep 20250.90668
10 Sep 20250.90662
14 Sep 20250.90231
15 Sep 20250.90662
16 Sep 20250.90735
17 Sep 20250.90312
21 Sep 20250.90064
25 Sep 20250.90312
4 Oct 20250.90231
9 Oct 20250.90979
11 Oct 20250.90912
13 Oct 20250.9062
17 Oct 20250.90912
22 Oct 20250.91085
29 Oct 20250.90807
4 Nov 20250.91018
7 Nov 20250.90735
18 Nov 20250.87132
21 Nov 20250.91362
22 Nov 20250.91512
25 Nov 20250.91868
26 Nov 20250.92052
27 Nov 20250.91449
30 Nov 20250.90434
8 Dec 20250.9004
9 Dec 20250.89737
10 Dec 20250.89916
18 Dec 20250.90305
30 Dec 20250.90004
1 Jan 20260.89916
12 Jan 20260.89984
13 Jan 20260.90645
18 Jan 20260.90308
19 Jan 20260.91359
22 Jan 20260.90854
24 Jan 20260.89476
2 Feb 20260.89738
4 Feb 20260.89542
5 Feb 20260.89391
6 Feb 20260.88918
12 Feb 20260.89776
17 Feb 20260.90231
18 Feb 20260.91364
19 Feb 20260.91438
20 Feb 20260.91542
21 Feb 20260.90814
22 Feb 20260.9028
23 Feb 20260.90424
25 Feb 20260.9028
26 Feb 20260.90684
2 Mar 20260.90592
5 Mar 20260.89257
6 Mar 20260.89551
8 Mar 20260.89455
10 Mar 20260.90231
21 Mar 20260.90255
23 Mar 20260.91624
24 Mar 20260.91722
25 Mar 20260.90674
26 Mar 20260.90334
27 Mar 20260.91849
28 Mar 20260.91196
1 Apr 20260.90158
3 Apr 20260.90512
4 Apr 20260.90371
5 Apr 20260.90351
7 Apr 20260.90066
9 Apr 20260.88896
10 Apr 20260.8921
11 Apr 20260.89107
19 Apr 20260.90319
21 Apr 20260.89017
22 Apr 20260.90709
23 Apr 20260.90965
25 Apr 20260.9084
27 Apr 20260.90066
28 Apr 20260.90351
30 Apr 20260.90066
6 May 20260.88896
9 May 20260.90156
10 May 20260.8921
11 May 20260.89107
12 May 20260.90319
21 May 20260.91067
22 May 20260.92033
23 May 20260.9242
28 May 20260.9212
7 Jun 20260.92108
8 Jun 20260.91909
9 Jun 20260.91225
10 Jun 20260.91409
11 Jun 20260.91348
12 Jun 20260.90846
15 Jun 20260.85689
168 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
Listed by CISA on the day it published and the record had been public for 3 years, 2 months when this index was last written.
No material movement in 81 days as of the last ingest this index recorded.
Published 2023-06-13 receipt · CISA KEV 2023-06-13 receipt · Public PoC 2023-06-16 receipt · Index as of 2026-09-04 derived
The pattern, elsewhere
This record is one instance of CWE-122, heap-based buffer overflow. The index holds 3215 prior instances of this class, 19 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]
CVE-2015-3113matches 9 of 9KEV listed · 2015receipt
CVE-2025-25249 · Fortinet FortiSwitchManagermatches 9 of 10KEV listed · 2026receipt
CVE-2024-30051 · Microsoft Windows 10 Version 1809matches 7 of 10KEV listed · 2024receipt
"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
3215 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
None. No alias set, and nothing in the corpus cites this identifier or shares its product family within 60 days.