How severe is CVE-2021-36983?

CVE-2021-36983 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-2021-36983 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-2021-36983?

CVE-2021-36983 affects Replaysorcery Project Replaysorcery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36983?

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-2021-36983 published?

CVE-2021-36983 was published on 2021-07-30 and last updated on 2026-06-17.

CVE-2021-36983

CVE-2021-36983 is a high-severity vulnerability in Replaysorcery Project Replaysorcery 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-59.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Replaysorcery Project Replaysorcery
Published: 2021-07-30
Last modified: 2026-06-17

Description

replay-sorcery-kms in Replay Sorcery 0.6.0 allows a local attacker to gain root privileges via a symlink attack on /tmp/replay-sorcery or /tmp/replay-sorcery/device.sock.

Frequently asked questions

What is CVE-2021-36983?: replay-sorcery-kms in Replay Sorcery 0.6.0 allows a local attacker to gain root privileges via a symlink attack on /tmp/replay-sorcery or /tmp/replay-sorcery/device.sock.
How severe is CVE-2021-36983?: CVE-2021-36983 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-2021-36983 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-2021-36983?: CVE-2021-36983 affects Replaysorcery Project Replaysorcery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36983?: 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-2021-36983 published?: CVE-2021-36983 was published on 2021-07-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:replaysorcery_project:replaysorcery:0.6.0:*:*:*:*:*:*:*

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