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Known Exploited Vulnerability
7.5
HIGH CVSS 3.1
CVE-2023-27532
Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability - [Actively Exploited]
Description

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.

INFO

Published Date :

March 10, 2023, 10:15 p.m.

Last Modified :

March 13, 2025, 7:36 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Veeam Backup & Replication Cloud Connect component contains a missing authentication for critical function vulnerability that allows an unauthenticated user operating within the backup infrastructure network perimeter to obtain encrypted credentials stored in the configuration database. This may lead to an attacker gaining access to the backup infrastructure hosts.

Required Action :

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

Notes :

https://www.veeam.com/kb4424; https://nvd.nist.gov/vuln/detail/CVE-2023-27532

Affected Products

The following products are affected by CVE-2023-27532 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Veeam veeam_backup_\&_replication
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
This information is provided by the 3rd party feeds.
  • Upgrade to Veeam Backup and Replication version 11.0.1.1261 P20230227 or 12.0.0.1420 P20230223 or later.
Public PoC/Exploit Available at Github

CVE-2023-27532 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-27532.

URL Resource
https://www.veeam.com/kb4424 Vendor Advisory
https://www.veeam.com/kb4424 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-27532 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-27532 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
kalanik0a/Cybersecurity-Notes

A collection of knowledge on cyber threat intelligence, cybersecurity, and DevSecOps

HTML Python PowerShell Shell

Updated: 3 months, 1 week ago
1 stars 0 fork 0 watcher
Born at : July 8, 2024, 9:08 p.m. This repo has been linked 6 different CVEs too.
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puckiestyle/CVE-2023-27532-RCE-Only

None

C# Python

Updated: 1 year, 1 month ago
0 stars 0 fork 0 watcher
Born at : July 5, 2024, 2 p.m. This repo has been linked 1 different CVEs too.
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sfewer-r7/CVE-2023-27532

Exploit for CVE-2023-27532 against Veeam Backup & Replication

C#

Updated: 3 months, 1 week ago
111 stars 21 fork 21 watcher
Born at : March 23, 2023, 4:08 p.m. This repo has been linked 1 different CVEs too.
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horizon3ai/CVE-2023-27532

POC for Veeam Backup and Replication CVE-2023-27532

C#

Updated: 2 months, 1 week ago
64 stars 11 fork 11 watcher
Born at : March 18, 2023, 4:20 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
Ostorlab/KEV

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 2 weeks, 3 days ago
581 stars 42 fork 42 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1287 different CVEs too.
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fardeen-ahmed/Bug-bounty-Writeups

Repository of Bug-Bounty Writeups

bugbounty fuzzing penetration-testing security-tools

Updated: 1 week, 1 day ago
318 stars 49 fork 49 watcher
Born at : Nov. 6, 2020, 8:24 a.m. This repo has been linked 39 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-27532 vulnerability anywhere in the article.

  • Trend Micro
Warlock: From SharePoint Vulnerability Exploit to Enterprise Ransomware

Key takeaways Warlock ransomware operators exploited vulnerable Microsoft SharePoint servers, using targeted HTTP POST requests to upload web shells, enabling reconnaissance and credential theft. More ... Read more

Published Date: Aug 20, 2025 (5 days, 7 hours ago)
  • Cyber Security News
Qilin Ransomware Emerges as World’s Top Threat, Demands $50 Million Ransom

Qilin ransomware has rapidly ascended to become the world’s most prevalent ransomware threat, accumulating over $50 million in ransom payments throughout 2024 alone. Originally developed as ‘Agent’ in ... Read more

Published Date: Jun 19, 2025 (2 months ago)
  • Cyber Security News
Qilin Operators Mimic ScreenConnect Login Page to Deliver Ransomware & Gain Admin Access

A sophisticated ransomware attack targeted Managed Service Providers (MSPs) through well-crafted phishing emails designed to appear as authentication alerts for their ScreenConnect Remote Monitoring a ... Read more

Published Date: Apr 03, 2025 (4 months, 3 weeks ago)
  • huntress.com
Securing Endpoints from Common Vulnerabilities

Attackers are constantly on the prowl, scoping out vulnerabilities of network-connected devices in your systems. These devices—laptops, desktops, servers, IoT, and more—are like unlocked doors waiting ... Read more

Published Date: Mar 28, 2025 (4 months, 4 weeks ago)
  • Cybersecurity News
Veeam Backup & Replication Vulnerabilities Exposed: High-Severity Flaws Put Data at Risk

Veeam Software, a prominent provider of backup, recovery, and data management solutions, has released a security update to address multiple vulnerabilities in its Veeam Backup & Replication software. ... Read more

Published Date: Dec 05, 2024 (8 months, 2 weeks ago)
  • Cybersecurity News
Raspberry Robin’s Stealth Tactics: USB Infections, Exploits, and Advanced Obfuscation Unveiled

Raspberry Robin, also known as Roshtyak, stands out as a highly advanced malicious downloader. Discovered in 2021, it has gained notoriety for its use of infected USB drives and sophisticated techniqu ... Read more

Published Date: Nov 22, 2024 (9 months ago)
  • Cybersecurity News
WorkflowKit Race Vulnerability (CVE-2024-27821): Researcher Reveals Exploit that Let Malicious Apps Hijack Shortcuts

Security researcher Snoolie K has published an in-depth analysis of a significant security flaw in WorkflowKit, which has been assigned CVE-2024-27821. This vulnerability, dubbed the “WorkflowKit Race ... Read more

Published Date: Nov 21, 2024 (9 months ago)
  • Cybersecurity News
Ghostscript Update Patches Six Critical Vulnerabilities: Code Execution, Buffer Overflow, and Path Traversal Risks

Popular document rendering engine Ghostscript has released a critical security update addressing multiple vulnerabilities, some of which could lead to remote code execution.Ghostscript, a widely used ... Read more

Published Date: Nov 12, 2024 (9 months, 1 week ago)
  • Cybersecurity News
Silent Skimmer Reemerges: New Tactics Target Payment Gateways

Unit 42 researchers have detected renewed activity from a notorious financially motivated threat actor known as Silent Skimmer. This cybercriminal group, first identified in 2023, had seemingly faded ... Read more

Published Date: Nov 11, 2024 (9 months, 2 weeks ago)
  • BleepingComputer
Critical Veeam RCE bug now used in Frag ransomware attacks

After being used in Akira and Fog ransomware attacks, a critical Veeam Backup & Replication (VBR) security flaw was also recently exploited to deploy Frag ransomware. Code White security researcher Fl ... Read more

Published Date: Nov 08, 2024 (9 months, 2 weeks ago)
  • Cybersecurity News
Hikvision Patches Security Flaw in Network Cameras, Preventing Cleartext Credential Transmission

Hikvision, a leading provider of network cameras and surveillance systems, has released firmware updates to address a security vulnerability that could expose users’ Dynamic DNS credentials. The vulne ... Read more

Published Date: Nov 01, 2024 (9 months, 3 weeks ago)
  • Cybersecurity News
Microsoft Boosts Email Security with General Availability of Inbound SMTP DANE with DNSSEC

Microsoft announced the general availability of Inbound SMTP DANE with DNSSEC for Exchange Online, marking a significant step forward in email security. This powerful feature combines two robust secur ... Read more

Published Date: Oct 30, 2024 (9 months, 3 weeks ago)
  • Cybersecurity News
Atlassian Confluence Vulnerability CVE-2023-22527 Exploited for Cryptomining

Attach chain | Image: Trend MicroIn a recently disclosed report by Trend Micro, attackers were observed exploiting a vulnerability in Atlassian’s Confluence servers (CVE-2023-22527) to hijack victim r ... Read more

Published Date: Oct 30, 2024 (9 months, 3 weeks ago)
  • Cybersecurity News
CISA Sounds Alarm on Actively Exploited Cisco and Roundcube Vulnerabilities

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent warning about two actively exploited vulnerabilities affecting Cisco networking devices and the popular Roundcube ... Read more

Published Date: Oct 25, 2024 (10 months ago)
  • The Hacker News
Ransomware Gangs Use LockBit's Fame to Intimidate Victims in Latest Attacks

Threat actors have been observed abusing Amazon S3 (Simple Storage Service) Transfer Acceleration feature as part of ransomware attacks designed to exfiltrate victim data and upload them to S3 buckets ... Read more

Published Date: Oct 23, 2024 (10 months ago)
  • Cybersecurity News
Hikvision HikCentral Master Lite and Professional Affected by Multi Vulnerabilities

Hikvision, a leading provider of AIoT and video surveillance solutions, has disclosed three vulnerabilities affecting its HikCentral Master Lite and HikCentral Professional software. These flaws could ... Read more

Published Date: Oct 18, 2024 (10 months ago)
  • The Cyber Express
Critical Veeam Vulnerability CVE-2024-40711 Exploited by Ransomware Groups

Veeam has addressed a severe vulnerability in its widely utilized Backup & Replication tool, CVE-2024-40711. This critical flaw has a staggering Common Vulnerability Scoring System (CVSS) score of 9.8 ... Read more

Published Date: Oct 17, 2024 (10 months, 1 week ago)
  • Cybersecurity News
Popular Java Security Framework ‘pac4j’ Vulnerable to RCE (CVE-2023-25581)

A new analysis by security researcher Michael Stepankin (@artsploit) of the GitHub Security Lab (GHSL) has uncovered a critical vulnerability in pac4j, a widely-used Java security framework. This vuln ... Read more

Published Date: Oct 14, 2024 (10 months, 1 week ago)
  • Cybersecurity News
0-Day Flaw CVE-2024-38200 in Microsoft Office Exposes NTLMv2 Hashes: PoC Exploit Released

A discovered zero-day vulnerability is putting Microsoft Office users at risk. Security researcher Metin Yunus Kandemir recently published the technical details and a proof-of-concept (PoC) exploit th ... Read more

Published Date: Oct 03, 2024 (10 months, 3 weeks ago)
  • TheCyberThrone
Grafana fixes Critical Vulnerability CVE-2024-8986

A critical security vulnerability has been discovered in the Grafana Plugin SDK for Go, that  could lead to the inadvertent leakage of sensitive information, including repository credentials.The vulne ... Read more

Published Date: Sep 24, 2024 (11 months ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-27532 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Mar. 13, 2025

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:veeam:veeam_backup_&_replication:11.0.1.1261:p20211123:*:*:*:*:*:* *cpe:2.3:a:veeam:veeam_backup_&_replication:11.0.1.1261:p20211211:*:*:*:*:*:* *cpe:2.3:a:veeam:veeam_backup_&_replication:11.0.1.1261:-:*:*:*:*:*:* *cpe:2.3:a:veeam:veeam_backup_&_replication:11.0.1.1261:p20220302:*:*:*:*:*:* *cpe:2.3:a:veeam:veeam_backup_&_replication:11.0.1.1261:*:*:*:*:*:*:* *cpe:2.3:a:veeam:veeam_backup_&_replication:12.0.0.1420:-:*:*:*:*:*:* OR *cpe:2.3:a:veeam:veeam_backup_&_replication:11.0.1.1261:p20211123:*:*:*:*:*:* *cpe:2.3:a:veeam:veeam_backup_&_replication:11.0.1.1261:p20211211:*:*:*:*:*:* *cpe:2.3:a:veeam:veeam_backup_&_replication:11.0.1.1261:-:*:*:*:*:*:* *cpe:2.3:a:veeam:veeam_backup_&_replication:11.0.1.1261:p20220302:*:*:*:*:*:* *cpe:2.3:a:veeam:veeam_backup_&_replication:12.0.0.1420:-:*:*:*:*:*:* *cpe:2.3:a:veeam:veeam_backup_&_replication:*:*:*:*:*:*:*:* versions from (excluding) 11.0.1.1261
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jan. 28, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.veeam.com/kb4424
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Mar. 16, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://www.veeam.com/kb4424 No Types Assigned https://www.veeam.com/kb4424 Vendor Advisory
    Added CWE NIST CWE-306
    Added CPE Configuration OR *cpe:2.3:a:veeam:backup_\&_replication:11.0.1.1261:*:*:*:*:*:*:* *cpe:2.3:a:veeam:backup_\&_replication:11.0.1.1261:-:*:*:*:*:*:* *cpe:2.3:a:veeam:backup_\&_replication:11.0.1.1261:p20211123:*:*:*:*:*:* *cpe:2.3:a:veeam:backup_\&_replication:11.0.1.1261:p20211211:*:*:*:*:*:* *cpe:2.3:a:veeam:backup_\&_replication:11.0.1.1261:p20220302:*:*:*:*:*:* *cpe:2.3:a:veeam:backup_\&_replication:12.0.0.1420:-:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

74.83 }} -1.56%

score

0.98814

percentile