CVE-2021-47935

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0042

Probability of exploitation

0.62%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-94 CWE-94

Affected Products

Vendor	Product	Versions
sentry	sentry	All

References

Exploits

https://www.exploit-db.com/exploits/50318

Other References

https://sentry.io/welcome/ https://www.vulncheck.com/advisories/sentry-remote-code-execution-via-pickle-deserialization

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2021-47935? +

CVE-2021-47935 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0042, placing it in the 1th percentile for exploitation probability.

What products are affected by CVE-2021-47935? +

CVE-2021-47935 affects products from sentry, specifically: sentry. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2021-47935? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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