CVE-2023-27172
CVE-2023-27172 is a critical-severity vulnerability in Xpand-it Write-back Manager with a CVSS 3.x base score of 9.1. 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-307.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-307
- Affected product: Xpand-it Write-back Manager
- Published:
- Last modified:
Description
Xpand IT Write-back Manager v2.3.1 uses weak secret keys to sign JWT tokens. This allows attackers to easily obtain the secret key used to sign JWT tokens via a bruteforce attack.
Frequently asked questions
- What is CVE-2023-27172?
- Xpand IT Write-back Manager v2.3.1 uses weak secret keys to sign JWT tokens. This allows attackers to easily obtain the secret key used to sign JWT tokens via a bruteforce attack.
- How severe is CVE-2023-27172?
- CVE-2023-27172 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2023-27172 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-27172?
- CVE-2023-27172 affects Xpand-it Write-back Manager. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-27172?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-27172 published?
- CVE-2023-27172 was published on 2023-12-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:xpand-it:write-back_manager:2.3.1:*:*:*:*:*:*:*
More vulnerabilities in Xpand-it Write-back Manager
- CVE-2023-27168 — Critical (CVSS 9.8): An arbitrary file upload vulnerability in Xpand IT Write-back Manager v2.3.1 allows attackers to execute arbitrary code…
- CVE-2023-27170 — High (CVSS 7.5): Xpand IT Write-back manager v2.3.1 allows attackers to perform a directory traversal via modification of the siteName…
- CVE-2023-27169 — Medium (CVSS 6.5): Xpand IT Write-back manager v2.3.1 uses a hardcoded salt in license class configuration which leads to the generation…
All CVEs affecting Xpand-it Write-back Manager →
Other CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities
- CVE-2026-6853 — Critical (CVSS 9.8): Improper restriction of excessive authentication attempts vulnerability in Başbelen Group Food Cafe Businesses…
- CVE-2026-8760 — Critical (CVSS 9.8): The Login with OTP plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including,…
- CVE-2020-37228 — Critical (CVSS 9.8): iDS6 DSSPro Digital Signage System 6.2 contains a CAPTCHA security bypass vulnerability that allows attackers to bypass…
- CVE-2026-33879 — Critical (CVSS 9.8): Federated Learning and Interoperability Platform (FLIP) is an open-source platform for federated training and…
- CVE-2026-33640 — Critical (CVSS 9.8): Outline is a service that allows for collaborative documentation. Outline implements an Email OTP login flow for users…
- CVE-2026-31851 — Critical (CVSS 9.8): Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement rate limiting or account lockout…
Browse all CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities →