How severe is CVE-2017-12636?

CVE-2017-12636 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-12636 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 90% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12636?

CVE-2017-12636 primarily affects Apache Couchdb. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-12636?

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-2017-12636 published?

CVE-2017-12636 was published on 2017-11-14 and last updated on 2026-06-17.

CVE-2017-12636

CVE-2017-12636 is a high-severity vulnerability in Apache Couchdb with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 90% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 90% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Apache Couchdb
Published: 2017-11-14
Last modified: 2026-06-17

Description

CouchDB administrative users can configure the database server via HTTP(S). Some of the configuration options include paths for operating system-level binaries that are subsequently launched by CouchDB. This allows an admin user in Apache CouchDB before 1.7.0 and 2.x before 2.1.1 to execute arbitrary shell commands as the CouchDB user, including downloading and executing scripts from the public internet.

Frequently asked questions

What is CVE-2017-12636?: CouchDB administrative users can configure the database server via HTTP(S). Some of the configuration options include paths for operating system-level binaries that are subsequently launched by CouchDB. This allows an admin user in Apache CouchDB before 1.7.0 and 2.x before 2.1.1 to execute arbitrary shell commands as the CouchDB user, including downloading and executing scripts from the public internet.
How severe is CVE-2017-12636?: CVE-2017-12636 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-12636 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 90% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12636?: CVE-2017-12636 primarily affects Apache Couchdb. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-12636?: 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-2017-12636 published?: CVE-2017-12636 was published on 2017-11-14 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:apache:couchdb:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:couchdb:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:couchdb:2.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:apache:couchdb:2.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:apache:couchdb:2.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:apache:couchdb:2.0.0:rc4:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

47.236.247.176 (ipv4-addr)
8.211.195.173 (ipv4-addr)
47.237.113.119 (ipv4-addr)