CVE-2023-45499Public exploitNetwork attack vector

Privileged API access via hard-coded credentials

Published Oct 27, 2023 · Updated Aug 2, 2024

Hard-coded credentials in Vinchin Backup & Recovery 5.0 through 7.0 allow remote attackers to access its privileged HTTP API. The API authentication path accepts a credential embedded across installations and bypasses normal ACLs, exposing administrative operations for storage, backups, jobs, cloud accounts, hypervisors, and users. Network access to /api/ and knowledge of the shared credential are sufficient to read, modify, or delete protected backup-system data and configuration.

CVSS severity9.8
Critical
EPSS probability7.89%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Hard-coded credentials in Vinchin Backup & Recovery 5.0 through 7.0 allow remote attackers to access its privileged HTTP API. The API authentication path accepts a credential embedded across installations and bypasses normal ACLs, exposing administrative operations for storage, backups, jobs, cloud accounts, hypervisors, and users. Network access to /api/ and knowledge of the shared credential are sufficient to read, modify, or delete protected backup-system data and configuration.

The record

CVE
CVE-2023-45499
Published
Oct 27, 2023
Updated
Aug 2, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-798, T1078
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-798Use of Hard-coded Credentials
T1078Valid Accounts

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo