CVE-2017-1000070: oauth2_proxy_project oauth2_proxy Open Redirect
CVSS: 6.1v3.0MediumModified
AliasesGHSA-jm34-xm8m-w958
Published 13-07-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-1000070 is a medium (CVSS 6.1) Open Redirect vulnerability in oauth2_proxy_project oauth2_proxy. EPSS estimates a 1.00% chance of exploitation in the next 30 days, higher than 62.1% of scored vulnerabilities.
CVSS score
6.1/10
010
Medium · v3.0 (NVD)EPSS score
1.00%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-07-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The Bitly oauth2_proxy in version 2.1 and earlier was affected by an open redirect vulnerability during the start and termination of the 2-legged OAuth flow. This issue was caused by improper input validation and a violation of RFC-6819
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- OSV · GoEcosystem advisory · calculated6.1MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.00%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
0.00 pp
From 1.00% on 20-09-2026
20-09-202620-10-2026
EPSS score1.00%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Github.com/bitly1 product
- oauth2_proxy< 2.2.0
Oauth2_proxy_project1 product
- oauth2_proxy≤ 2.1
2 vendors · 2 products
