Cyber Resilience

CVE-2021-47935

HighPublic PoCRCE

Published: 10 May 2026

Published
10 May 2026
Modified
14 May 2026
KEV Added
Patch
CVSS Score v4 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0093 56.1th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2021-47935 is a high-severity Code Injection (CWE-94) vulnerability in Sentry Sentry. Its CVSS base score is 8.7 (High).

Operationally, ranked in the top 43.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

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…

more

with base64-encoded compressed pickle payloads in the data field to achieve code execution with application privileges.

CWE(s)

Related Threats

CVEs Like This One

CVE-2026-42354Same product: Sentry Sentry
CVE-2026-27197Same product: Sentry Sentry
CVE-2024-10644Same product class: VPN / SSL gateway
CVE-2025-59718Same product class: VPN / SSL gateway
CVE-2025-0283Same product class: VPN / SSL gateway
CVE-2025-53847Same product class: VPN / SSL gateway
CVE-2016-5195Same product class: VPN / SSL gateway
CVE-2026-24018Same product class: VPN / SSL gateway
CVE-2026-3055Same product class: VPN / SSL gateway
CVE-2024-48886Same product class: VPN / SSL gateway

Affected Assets

sentry
sentry
8.2.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-94

Makes persistent code injection into loaded programs impossible when the executable image itself resides on hardware-protected read-only media.

addresses: CWE-94

Dynamically generated code can be produced and executed inside the isolated chamber, preventing host compromise from code-injection payloads.

addresses: CWE-94

Validates inputs used in dynamic code generation to block injected directives.

addresses: CWE-94

Directly prevents execution of attacker-supplied code written into data memory regions.

References