CVE-2023-48712
CVE-2023-48712 is a high-severity vulnerability in Warpgate Project Warpgate with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-863
- Affected product: Warpgate Project Warpgate
- Published:
- Last modified:
Description
Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. In affected versions there is a privilege escalation vulnerability through a non-admin user's account. Limited users can impersonate another user's account if only single-factor authentication is configured. If a user knows an admin username, opens the login screen and attempts to authenticate with an incorrect password they can subsequently enter a valid non-admin username and password they will be logged in as the admin user. All installations prior to version 0.9.0 are affected. All users are advised to upgrade. There are no known workarounds for this vulnerability.
Frequently asked questions
- What is CVE-2023-48712?
- Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. In affected versions there is a privilege escalation vulnerability through a non-admin user's account. Limited users can impersonate another user's account if only single-factor authentication is configured. If a user knows an admin username, opens the login screen and attempts to authenticate with an incorrect password they can subsequently enter a valid non-admin username and password they will be logged in as the admin user. All installations prior to version 0.9.0 are affected. All users are advised to upgrade. There are no known workarounds for this vulnerability.
- How severe is CVE-2023-48712?
- CVE-2023-48712 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-48712 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-48712?
- CVE-2023-48712 affects Warpgate Project Warpgate. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-48712?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-48712 published?
- CVE-2023-48712 was published on 2023-11-24 and last updated on 2026-06-17.
References
- https://github.com/warp-tech/warpgate/commit/e3b26b2699257b9482dce2e9157bd9b5e05d9c76
- https://github.com/warp-tech/warpgate/security/advisories/GHSA-c94j-vqr5-3mxr
Affected products (1)
- cpe:2.3:a:warpgate_project:warpgate:*:*:*:*:*:*:*:*
More vulnerabilities in Warpgate Project Warpgate
- CVE-2026-42189 — High (CVSS 7.5): Russh is a Rust SSH client & server library. Prior to version 0.60.1, a pre-authentication denial-of-service…
- CVE-2024-43410 — High (CVSS 7.5): Russh is a Rust SSH client & server library. Allocating an untrusted amount of memory allows any unauthenticated user…
- CVE-2025-54804 — Medium (CVSS 6.5): Russh is a Rust SSH client & server library. In versions 0.54.0 and below, the channel window adjust message of the SSH…
- CVE-2023-37268 — Medium (CVSS 6.4): Warpgate is an SSH, HTTPS and MySQL bastion host for Linux that doesn't need special client apps. When logging in as a…
- CVE-2026-44347 — Medium (CVSS 5.8): Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. Prior to 0.23.3, the SSO flow does not validate…
- CVE-2023-43660 — Medium (CVSS 4.8): Warpgate is a smart SSH, HTTPS and MySQL bastion host for Linux that doesn't need special client apps. The SSH key…
All CVEs affecting Warpgate Project Warpgate →
Other CWE-863 (Incorrect Authorization) vulnerabilities
- CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
- CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
- CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
- CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
- CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
- CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.
Browse all CWE-863 (Incorrect Authorization) vulnerabilities →