CVE-2017-11480
CVE-2017-11480 is a high-severity vulnerability in Elasticsearch Packetbeat with a CVSS 3.x base score of 7.5. 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-404.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (70th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-404
- Affected product: Elasticsearch Packetbeat
- Published:
- Last modified:
Description
Packetbeat versions prior to 5.6.4 are affected by a denial of service flaw in the PostgreSQL protocol handler. If Packetbeat is listening for PostgreSQL traffic and a user is able to send arbitrary network traffic to the monitored port, the attacker could prevent Packetbeat from properly logging other PostgreSQL traffic.
Frequently asked questions
- What is CVE-2017-11480?
- Packetbeat versions prior to 5.6.4 are affected by a denial of service flaw in the PostgreSQL protocol handler. If Packetbeat is listening for PostgreSQL traffic and a user is able to send arbitrary network traffic to the monitored port, the attacker could prevent Packetbeat from properly logging other PostgreSQL traffic.
- How severe is CVE-2017-11480?
- CVE-2017-11480 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2017-11480 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-11480?
- CVE-2017-11480 affects Elasticsearch Packetbeat. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-11480?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-11480 published?
- CVE-2017-11480 was published on 2017-12-08 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:elasticsearch:packetbeat:*:*:*:*:*:*:*:*
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