How severe is CVE-2014-4994?

CVE-2014-4994 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2014-4994 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-4994?

CVE-2014-4994 affects Gyazo Project Gyazo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-4994?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-4994 published?

CVE-2014-4994 was published on 2018-01-10 and last updated on 2026-06-17.

CVE-2014-4994

CVE-2014-4994 is a medium-severity vulnerability in Gyazo Project Gyazo with a CVSS 3.x base score of 5.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Gyazo Project Gyazo
Published: 2018-01-10
Last modified: 2026-06-17

Description

lib/gyazo/client.rb in the gyazo gem 1.0.0 for Ruby allows local users to write to arbitrary files via a symlink attack on a temporary file, related to time-based filenames.

Frequently asked questions

What is CVE-2014-4994?: lib/gyazo/client.rb in the gyazo gem 1.0.0 for Ruby allows local users to write to arbitrary files via a symlink attack on a temporary file, related to time-based filenames.
How severe is CVE-2014-4994?: CVE-2014-4994 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2014-4994 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-4994?: CVE-2014-4994 affects Gyazo Project Gyazo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-4994?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-4994 published?: CVE-2014-4994 was published on 2018-01-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gyazo_project:gyazo:1.0.0:*:*:*:*:ruby:*:*

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