CVE-2017-3164

Solr vulnerability

CVSS

7.5

EPSS

19.4%

EPSS pct

97th

Exploited

No known

Server Side Request Forgery in Apache Solr, versions 1.3 until 7.6 (inclusive). Since the "shards" parameter does not have a corresponding whitelist mechanism, a remote attacker with access to the server could make Solr perform an HTTP GET request to any reachable URL.

Affected vendor

Apache

Affected product

Solr

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness type (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Published

2019-03-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 19.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2017-3164

Confirm whether Apache Solr is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-3164.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-3164

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-3164 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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