CVE-2021-27117: beego Link Following
CVSS: 7.8v3.1HighModified
AliasesGHSA-2v6v-q994-xvxx
Published 05-04-2022Last modified 03-08-2024
Vulnerability summary
CVE-2021-27117 is a high (CVSS 7.8) Link Following vulnerability in beego. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.44%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 05-04-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:L/S:U/UI:NSourcesAll 3 agree
- OSV · GoEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.44%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
0.00 pp
From 0.44% on 19-09-2026
19-09-202619-10-2026
EPSS score0.44%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundBeego
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Beego1 product
- beego≤ 2.0.2
Github.com/beego1 product
- beegoAll versions (No fix recorded)
Github.com/beego/beego1 product
- v2≥ 2.0.0, < 2.0.2
3 vendors · 3 products
References
3 links
- github.com/beego/beegoPACKAGE