CVE-2023-43176 — A deserialization vulnerability in Afterlogic Aurora Files v9

A deserialization vulnerability in Afterlogic Aurora Files v9.7.3 allows attackers to execute arbitrary code via supplying a crafted .sabredav file.

01What is this vulnerability?

A deserialization vulnerability in Afterlogic Aurora Files v9.7.3 allows attackers to execute arbitrary code via supplying a crafted .sabredav file.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-10-03T21:15:10.330
• Last modified: 2026-07-09T01:18:40.233

09References

• nvd.nist.gov — https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:L/UI:N/…
• sec.leonardini.dev — https://sec.leonardini.dev/blog/cve-2023-43176-rce_aurora_files/
• nvd.nist.gov — https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:L/UI:N/…
• sec.leonardini.dev — https://sec.leonardini.dev/blog/cve-2023-43176-rce_aurora_files/