How severe is CVE-2018-6634?

CVE-2018-6634 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-6634 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6634?

CVE-2018-6634 primarily affects Parsecgaming Parsec. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-6634?

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-2018-6634 published?

CVE-2018-6634 was published on 2019-05-07 and last updated on 2026-06-17.

CVE-2018-6634

CVE-2018-6634 is a critical-severity vulnerability in Parsecgaming Parsec with a CVSS 3.x base score of 9.8. 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-613.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-613
Affected product: Parsecgaming Parsec
Published: 2019-05-07
Last modified: 2026-06-17

Description

A vulnerability in Parsec Windows 142-0 and Parsec 'Linux Ubuntu 16.04 LTS Desktop' Build 142-1 allows unauthorized users to maintain access to an account.

Frequently asked questions

What is CVE-2018-6634?: A vulnerability in Parsec Windows 142-0 and Parsec 'Linux Ubuntu 16.04 LTS Desktop' Build 142-1 allows unauthorized users to maintain access to an account.
How severe is CVE-2018-6634?: CVE-2018-6634 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-6634 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6634?: CVE-2018-6634 primarily affects Parsecgaming Parsec. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-6634?: 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-2018-6634 published?: CVE-2018-6634 was published on 2019-05-07 and last updated on 2026-06-17.

References

https://twitter.com/VixusFoxy/status/1125697484498583553

Affected products (2)

cpe:2.3:a:parsecgaming:parsec:142-0:*:*:*:*:*:*:*
cpe:2.3:a:parsecgaming:parsec:142-1:*:*:*:desktop:*:*:*

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