Improper input validation in Tenable.sc
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
A formula injection vulnerability exists in Tenable.sc due to improper validation of user-supplied input before returning it to users. An authenticated attacker could leverage the reporting system to export reports containing formulas, which would then require a victim to approve and execute on a host.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Tenable.sc | Tenable.sc versions 5.23.1 and earlier | — | No fix listed | CNA |
- Tenable.sc Vendor— Affected Tenable.sc versions 5.23.1 and earlier Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-24493
- 2026-10-03 Alias added: GHSA-3c93-hfq2-f4vp
References
More Tenable.sc vulnerabilities
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
- TI-2021-02645 SM2 Decryption Buffer Overflow CVSS 3.1CRITICAL 9.8
- TI-2021-20274 Possible buffer overflow when parsing multipart content in mod_lua of Apache HTTP Server 2.4.51 and earlier CVSS 3.1CRITICAL 9.8
- TI-2021-19915 Possible NULL dereference or SSRF in forward proxy configurations in Apache HTTP Server 2.4.51 and earlier CVSS 3.1HIGH 8.2
- TI-2021-13795 NULL pointer dereference in httpd core CVSS 3.1HIGH 7.5
Sources
- CVE-2023-24493 · CVE Program
- CVE-2023-24493 · NVD
- FIRST EPSS
- GHSA-3c93-hfq2-f4vp · GitHub Advisory Database · CC BY 4.0
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