CVE-2023-28115: Snappy vulnerable to PHAR deserialization, allowing remote code execution
CSIRTS triage
- What
- Snappy is vulnerable to unsafe PHAR deserialization leading to remote code execution.
- Who is affected
- All Snappy deployments that process untrusted serialized input.
- Urgency
- Critical urgency; CVSS 9.8 and RCE capability present a severe risk requiring immediate action.
- Action
- Apply available security patch or upgrade Snappy to a patched version immediately.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28115
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Moderate exploitation riskCVE-2023-281152.8% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 85% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2023-28115 | coverage & exploitation status | NVD · CVE.org |
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