How severe is CVE-2015-2947?

CVE-2015-2947 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2015-2947 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2947?

CVE-2015-2947 affects Grabacr.net Kancolleviewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-2947?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-2947 published?

CVE-2015-2947 was published on 2017-04-13 and last updated on 2026-06-17.

CVE-2015-2947

CVE-2015-2947 is a critical-severity vulnerability in Grabacr.net Kancolleviewer with a CVSS 3.x base score of 9.1. 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-441.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-441
Affected product: Grabacr.net Kancolleviewer
Published: 2017-04-13
Last modified: 2026-06-17

Description

KanColleViewer versions 3.8.1 and earlier operates as an open proxy which allows remote attackers to trigger outbound network traffic.

Frequently asked questions

What is CVE-2015-2947?: KanColleViewer versions 3.8.1 and earlier operates as an open proxy which allows remote attackers to trigger outbound network traffic.
How severe is CVE-2015-2947?: CVE-2015-2947 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2015-2947 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2947?: CVE-2015-2947 affects Grabacr.net Kancolleviewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-2947?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-2947 published?: CVE-2015-2947 was published on 2017-04-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:grabacr.net:kancolleviewer:*:*:*:*:*:*:*:*

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