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CVE-2023-27532

INDEX BUILT · 2026-09-20

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Vulnerability in Veeam Backup & Replication component allows encrypted credentials stored in the configuration database to be obtained

CVE-2023-275324 of 4 sources documented this
71

rank 71 = 40 + 19 + 1 + 5 + 6

rank@v1 · act now

Someone is already using it

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

EPSS 0.77610 · CISA KEV listed  ·  without this subject the record ranks 31

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 7.5, from NVD  ·  without this subject the record ranks 52

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

rose on 2025-09-16  ·  without this subject the record ranks 70

How much of the world it touches

NVD CPE configurations

3 products in the CPE ranges  ·  without this subject the record ranks 66

Someone else already set the date

CISA KEV remediation due date

CISA remediation date held  ·  without this subject the record ranks 65

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$2.37Mover the next 30 days, if this record is yours
Movementno material movementthe record holds only daily drift and scoring model releases
Basisassumeda published average, not your estate

$2.37M = $4.99M incident cost x 0.6121449559255632 exposure x 0.7761 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

0.7761EPSSKEV · LISTED
Severity7.5 HIGHreceipt
Harmunauthenticated · network · ransomware-linkedreceipt
Exploitationransomware use knownreceipt
Defenseunaffected versions publishedreceipt
Movementscoring model changedreceipt
PLATEAU10Minimal movement since 2025-09-29, 340 days at 0.78, as of 2026-09-04. arc-rules@v1

Foresight · where to check next

CVE-2022-24990Fortinet FortiOSIvanti EndpointCVE-2023-28461CVE-2022-26501Corporation27532

This record is one instance of CWE-306, missing authentication for critical function. The index holds 3316 prior instances of this class, 53 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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Reachnetwork-reachable · no privileges required · no user interaction · low attack complexityreceipt
ImpactComplete confidentiality lossreceipt
Scored fromCVSS v3.1 · NVD's vectorreceipt
Weakness classCWE-306 Missing Authentication for Critical Functionreceipt
Published consequencesCWE-306: Access Control, Other: Gain Privileges or Assume Identity, Varies by Context[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.

First unaffected version, by branchbackup \& replication 11.0.1.1261receipt
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 2023-09-12receipt
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.receipt
Published to CISA KEV165 daysderived

Exploit Status & Known PoCs a ladder, not a score

Current rung: Ransomware campaign use known, 2023-08-22.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published · 4 public repositories2023-03-18receipt
  • RUNG 3Exploited in the wild · CISA KEV listed2023-08-22receipt
  • RUNG 4Ransomware campaign use known2023-08-22receipt

Authority who says so

CVSS, NVD7.5 HIGHreceipt
Exploit probability0.7761 · top 0.46% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned byhackeronereceipt
Recorded changes131 · last 18 Sep 2026derived

Affected & Fixed Versions as published

Affected productVeeam Backup & Replicationreceipt
Published rangesveeam backup \& replication < 11.0.1.1261; veeam backup \& replication 11.0.1.1261; veeam backup \& replication 12.0.0.1420receipt

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

Vulnerability in Veeam Backup & Replication component allows encrypted credentials stored in the configuration database to be obtained. This may lead to gaining access to the backup infrastructure hosts. receipt

NVD's analysis a second authority

severity
7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
weakness
CWE-306
affected versions
veeam backup \& replication < 11.0.1.1261; veeam backup \& replication 11.0.1.1261; veeam backup \& replication 12.0.0.1420
also scored by
7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

check it yourself veeam.com receipt

Dated events

2023-08-22Added to CISA KEV2023-09-12CISA remediation due2025-03-17EPSS moved 0.02 to 0.792026-06-15EPSS moved 0.84 to 0.78

Movement the material steps

11 Mar 20230.00043
17 Mar 20250.78803 · crossed 0.10 and 0.50 · scoring model v2025.03.14
15 Jun 20260.7761 · scoring model v2026.06.15
Show all 117 observations
11 Mar 20230.00043
17 Mar 20230.00087
8 May 20230.00315
23 May 20230.00361
29 Jun 20230.00228
8 Jul 20230.00091
23 Aug 20230.00666
17 Oct 20230.00827
20 Nov 20230.01170
23 Dec 20230.01323
8 Feb 20240.01556
16 Mar 20240.01829
29 Mar 20240.01966
11 Apr 20240.02703
19 May 20240.02690
14 Jun 20240.02226
6 Jul 20240.02851
11 Jul 20240.02404
10 Aug 20240.02226
20 Aug 20240.03080
30 Sep 20240.02289
24 Jan 20250.01913
6 Feb 20250.01599
17 Mar 20250.78803
18 Mar 20250.78662
19 Mar 20250.85184
20 Mar 20250.78662
22 Mar 20250.76346
23 Mar 20250.74699
24 Mar 20250.71975
25 Mar 20250.76125
28 Mar 20250.79362
29 Mar 20250.7531
6 Apr 20250.7892
7 Apr 20250.80515
9 Apr 20250.81584
10 Apr 20250.80571
11 Apr 20250.80235
12 Apr 20250.77427
15 Apr 20250.80338
23 Apr 20250.81087
24 Apr 20250.84117
27 Apr 20250.82384
28 Apr 20250.8105
29 Apr 20250.78789
30 Apr 20250.83301
1 May 20250.83085
2 May 20250.80605
14 May 20250.83085
15 May 20250.82338
16 May 20250.80329
22 May 20250.7867
26 May 20250.76645
15 Jun 20250.79752
16 Jun 20250.7697
24 Jun 20250.76645
16 Jul 20250.7697
24 Jul 20250.76645
3 Aug 20250.74829
13 Aug 20250.76384
14 Aug 20250.74829
14 Sep 20250.78519
16 Sep 20250.85498
17 Sep 20250.86131
19 Sep 20250.87339
20 Sep 20250.88013
29 Sep 20250.87024
2 Oct 20250.86788
3 Oct 20250.86637
14 Oct 20250.85034
15 Oct 20250.82743
17 Oct 20250.84097
21 Oct 20250.82966
22 Oct 20250.82743
4 Nov 20250.82941
18 Nov 20250.78913
21 Nov 20250.83543
22 Nov 20250.83167
24 Nov 20250.81852
5 Dec 20250.83979
7 Dec 20250.82225
8 Dec 20250.81843
9 Dec 20250.81601
17 Dec 20250.81679
19 Dec 20250.82892
20 Dec 20250.81039
23 Dec 20250.83979
24 Dec 20250.80911
6 Jan 20260.82352
7 Jan 20260.82973
18 Jan 20260.83534
21 Jan 20260.85108
23 Jan 20260.83534
29 Jan 20260.83191
3 Feb 20260.82973
9 Feb 20260.82663
9 Mar 20260.82383
21 Mar 20260.83434
22 Mar 20260.85632
23 Mar 20260.84844
28 Mar 20260.84225
3 Apr 20260.83409
8 Apr 20260.84844
10 Apr 20260.83632
14 Apr 20260.8477
19 Apr 20260.83602
21 Apr 20260.83808
24 Apr 20260.83602
28 Apr 20260.82334
12 May 20260.83523
14 May 20260.82334
15 May 20260.83602
22 May 20260.83808
30 May 20260.8486
2 Jun 20260.83808
12 Jun 20260.83602
15 Jun 20260.7761

117 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 0.7761Published2023-03-10Public PoC2023-03-18CISA KEV2023-08-22Index as of2026-09-04

Listed by CISA 165 days after it published and the record had been public for 3 years, 5 months when this index was last written.

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

Published 2023-03-10 receipt · Public PoC 2023-03-18 receipt · CISA KEV 2023-08-22 receipt · Index as of 2026-09-04 derived

The pattern, elsewhere

This record is one instance of CWE-306, missing authentication for critical function. The index holds 3316 prior instances of this class, 53 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2022-24990matches 8 of 8KEV listed · 2023receipt
CVE-2019-5591 · Fortinet FortiOSmatches 7 of 9KEV listed · 2020receipt
CVE-2026-1603 · Ivanti Endpoint Managermatches 7 of 9KEV listed · 2026receipt
CVE-2023-28461matches 6 of 8KEV listed · 2023receipt
CVE-2022-26501matches 6 of 8KEV listed · 2022receipt
CVE-2026-35273 · Oracle Corporation PeopleSoft Enterprise…matches 6 of 9KEV listed · 2026receipt

"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

3316 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

veeam backup & replication

Of the 4 records in this family that state one, this holds the lowest NVD CVSS score: 7.5.

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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