How severe is CVE-2021-47935?

CVE-2021-47935 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-47935 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-47935?

CVE-2021-47935 affects Sentry. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-47935?

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.

Does CVE-2021-47935 have an EU (EUVD) identifier?

Yes. CVE-2021-47935 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34796.

When was CVE-2021-47935 published?

CVE-2021-47935 was published on 2026-05-10 and last updated on 2026-07-20.

CVE-2021-47935

CVE-2021-47935 is a high-severity vulnerability in Sentry with a CVSS 3.x base score of 8.8. 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-94.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-34796
Weakness: CWE-94
Affected product: Sentry
Published: 2026-05-10
Last modified: 2026-07-20

Description

Sentry 8.2.0 contains a remote code execution vulnerability that allows authenticated superusers to execute arbitrary commands by injecting malicious pickle-serialized objects through the audit log entry data parameter. Attackers can submit crafted POST requests to the admin audit log endpoint with base64-encoded compressed pickle payloads in the data field to achieve code execution with application privileges.

Frequently asked questions

What is CVE-2021-47935?: Sentry 8.2.0 contains a remote code execution vulnerability that allows authenticated superusers to execute arbitrary commands by injecting malicious pickle-serialized objects through the audit log entry data parameter. Attackers can submit crafted POST requests to the admin audit log endpoint with base64-encoded compressed pickle payloads in the data field to achieve code execution with application privileges.
How severe is CVE-2021-47935?: CVE-2021-47935 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-47935 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-47935?: CVE-2021-47935 affects Sentry. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-47935?: 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.
Does CVE-2021-47935 have an EU (EUVD) identifier?: Yes. CVE-2021-47935 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34796.
When was CVE-2021-47935 published?: CVE-2021-47935 was published on 2026-05-10 and last updated on 2026-07-20.

References

Affected products (1)

cpe:2.3:a:sentry:sentry:8.2.0:*:*:*:*:*:*:*

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