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Vulnerability record · CVE-2021-27117 · published 5 April 2022

CVE-2021-27117: Beego link following vulnerability

Beego · Beego

An issue was discovered in file profile.go in function GetCPUProfile in beego through 2.0.2, allows attackers to launch symlink attacks locally.

7.8 CVSS 3.1 High EPSS 0.44% · top 64.3% CWE-59 · Link following
7.8CVSS 3.1 base score, v2 7.2
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in file profile.go in function GetCPUProfile in beego through 2.0.2, allows attackers to launch symlink attacks locally.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/beego/beego/issues/4484 ExploitIssue TrackingThird Party Advisory
https://github.com/beego/beego/issues/4484 ExploitIssue TrackingThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-31836Beego path traversal vulnerabilityThe leafInfo.match() function in Beego v2.0.3 and below uses path.join() to deal with wildcardvalues which can lead to cross directory risk.EPSS 1.7%9.8CVE-2022-31259Beego vulnerabilityThe route lookup process in beego before 1.12.9 and 2.x before 2.0.3 allows attackers to bypass access control. When a /p1/p2/:name route is configur…EPSS 22%9.8CVE-2021-30080Beego vulnerabilityAn issue was discovered in the route lookup process in beego before 1.12.11 that allows attackers to bypass access control.EPSS 1.3%9.6CVE-2025-30223Beego cross-site scripting vulnerabilityBeego is an open-source web framework for the Go programming language. Prior to 2.3.6, a Cross-Site Scripting (XSS) vulnerability exists in Beego's R…EPSS 0.59%8.8CVE-2024-40464Beego improper certificate validation vulnerabilityAn issue in beego v.2.2.0 and before allows a remote attacker to escalate privileges via the sendMail function located in beego/core/logs/smtp.go fileEPSS 0.57%8.8CVE-2024-40465Beego broken cryptographic algorithm vulnerabilityAn issue in beego v.2.2.0 and before allows a remote attacker to escalate privileges via the getCacheFileName function in file.go fileEPSS 0.43%7.8CVE-2021-27116Beego link following vulnerabilityAn issue was discovered in file profile.go in function MemProf in beego through 2.0.2, allows attackers to launch symlink attacks locally.EPSS 0.44%6.9CVE-2024-55885Beego broken cryptographic algorithm vulnerabilitybeego is an open-source web framework for the Go programming language. Versions of beego prior to 2.3.4 use MD5 as a hashing algorithm. MD5 is no lon…EPSS 0.35%

Source: NIST National Vulnerability Database (record CVE-2021-27117), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.