Is CVE-2016-7964 in the CISA KEV catalog?

No. CVE-2016-7964 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-7964?

CVE-2016-7964 has a CVSS v3 base score of 8.6 (HIGH).

What is the EPSS score for CVE-2016-7964?

CVE-2016-7964 has an EPSS score of 1.81% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-7964?

Upgrade dokuwiki on debian 13 to 2024-02-06b+dfsg-7 or later.

CVE & CISA-KEV Catalog

CVE-2016-7964

HIGHEPSS 76th pctl

8.6

CVSS v3

NVD

Description

The sendRequest method in HTTPClient Class in file /inc/HTTPClient.php in DokuWiki 2016-06-26a and older, when media file fetching is enabled, has no way to restrict access to private networks. This allows users to scan ports of internal networks via SSRF, such as 10.0.0.1/8, 172.16.0.0/12, and 192.168.0.0/16.

CWE-918Server-Side Request Forgery (SSRF)

How to fix

Remediation Available

dokuwikiDebian

Fixed in:2024-02-06b+dfsg-7CVE-2016-7964

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.81%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

securityfocus.com

Related Vulnerabilities

Other CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-21893	High	8.2	100%	KEV + Ransom	-
CVE-2021-40438	Critical	9.0	100%	KEV	Fix
CVE-2021-34473	Critical	9.1	100%	KEV + Ransom	Fix
CVE-2021-26855	Critical	9.1	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-41040	High	8.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.