CVE-2021-43609
CVE-2021-43609 is a critical-severity vulnerability in Spiceworks Help Desk Server with a CVSS 3.x base score of 9.9. 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-89.
Key facts
- Severity: Critical (CVSS 3.x base score 9.9)
- EPSS exploit prediction: 2% (79th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Spiceworks Help Desk Server
- Published:
- Last modified:
Description
An issue was discovered in Spiceworks Help Desk Server before 1.3.3. A Blind Boolean SQL injection vulnerability within the order_by_for_ticket function in app/models/reporting/database_query.rb allows an authenticated attacker to execute arbitrary SQL commands via the sort parameter. This can be leveraged to leak local files from the host system, leading to remote code execution (RCE) through deserialization of malicious data.
Frequently asked questions
- What is CVE-2021-43609?
- An issue was discovered in Spiceworks Help Desk Server before 1.3.3. A Blind Boolean SQL injection vulnerability within the order_by_for_ticket function in app/models/reporting/database_query.rb allows an authenticated attacker to execute arbitrary SQL commands via the sort parameter. This can be leveraged to leak local files from the host system, leading to remote code execution (RCE) through deserialization of malicious data.
- How severe is CVE-2021-43609?
- CVE-2021-43609 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-43609 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-43609?
- CVE-2021-43609 affects Spiceworks Help Desk Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-43609?
- 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-2021-43609 published?
- CVE-2021-43609 was published on 2023-11-09 and last updated on 2026-06-17.
References
- https://community.spiceworks.com/blogs/help-desk-server-release-notes/3610-1-3-2-1-3-3
- https://github.com/d5sec/CVE-2021-43609-POC
- https://www.linkedin.com/pulse/cve-2021-43609-write-up-division5-security-4lgwe
Affected products (1)
- cpe:2.3:a:spiceworks:help_desk_server:*:*:*:*:*:*:*:*
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