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CVE-2021-21877

CRITICAL
Published 2021-12-22T18:06:28
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Expert Analysis

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CVSS Score

V3.0
9.1
/10
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.007
probability
of exploitation in the wild

There is a 0.7% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.710
Higher than 71.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

Specially-crafted HTTP requests can lead to arbitrary command execution in “GET” requests. An attacker can make authenticated HTTP requests to trigger this vulnerability.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-vp3f-gm6v-2mg2

Advisory Details

Specially-crafted HTTP requests can lead to arbitrary command execution in “GET” requests. An attacker can make authenticated HTTP requests to trigger this vulnerability.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-21877
WEB https://talosintelligence.com/vulnerability_reports/TALOS-2021-1315

Advisory provided by GitHub Security Advisory Database. Published: December 23, 2021, Modified: April 20, 2022

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1315
Published: 2021-12-22T18:06:28
Last Modified: 2024-08-03T18:23:29.648Z
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