How severe is CVE-2015-3887?

CVE-2015-3887 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-3887 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3887?

CVE-2015-3887 affects Proxychains-ng Project Proxychains-ng. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3887?

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-2015-3887 published?

CVE-2015-3887 was published on 2017-09-21 and last updated on 2026-06-17.

CVE-2015-3887

CVE-2015-3887 is a high-severity vulnerability in Proxychains-ng Project Proxychains-ng with a CVSS 3.x base score of 7.8. 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-426.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-426
Affected product: Proxychains-ng Project Proxychains-ng
Published: 2017-09-21
Last modified: 2026-06-17

Description

Untrusted search path vulnerability in ProxyChains-NG before 4.9 allows local users to gain privileges via a Trojan horse libproxychains4.so library in the current working directory, which is referenced in the LD_PRELOAD path.

Frequently asked questions

What is CVE-2015-3887?: Untrusted search path vulnerability in ProxyChains-NG before 4.9 allows local users to gain privileges via a Trojan horse libproxychains4.so library in the current working directory, which is referenced in the LD_PRELOAD path.
How severe is CVE-2015-3887?: CVE-2015-3887 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-3887 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3887?: CVE-2015-3887 affects Proxychains-ng Project Proxychains-ng. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3887?: 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-2015-3887 published?: CVE-2015-3887 was published on 2017-09-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:proxychains-ng_project:proxychains-ng:*:*:*:*:*:*:*:*

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