CVE-2023-27532

Exp

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.

Published: 2023-03-10 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-27532 is rated Critical Active Threat (84.8/100): CVSS High severity, with high exploitation likelihood (EPSS 77.61%, 100th percentile). CISA KEV confirms active exploitation (added 2023-08-22) affecting Veeam / Backup & Replication. a weakness (CWE-306) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2023-27532

Name: Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability · CISA KEV detail

Exploit added: 2023-08-22

Action due: 2023-09-12

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Exploit prediction scoring system (EPSS) score for CVE-2023-27532

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 83.60% 77.61% -5.99%
2 2026-06-12 83.81% 83.60% -0.21%
3 2026-06-02 — 83.81% —

Full EPSS history (117 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-27532

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2023-27532

Affected software / configurations for CVE-2023-27532

Vendor Product Version Raw CPE
veeam veeam_backup_\&_replication < 11.0.1.1261 cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*
veeam veeam_backup_\&_replication 11.0.1.1261 cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:-:*:*:*:*:*:*
veeam veeam_backup_\&_replication 11.0.1.1261 cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:p20211123:*:*:*:*:*:*
veeam veeam_backup_\&_replication 11.0.1.1261 cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:p20211211:*:*:*:*:*:*
veeam veeam_backup_\&_replication 11.0.1.1261 cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:p20220302:*:*:*:*:*:*
veeam veeam_backup_\&_replication 12.0.0.1420 cpe:2.3:a:veeam:veeam_backup_\&_replication:12.0.0.1420:-:*:*:*:*:*:*

References for CVE-2023-27532

cvelogic Threat Intelligence