CVE-2020-16250: hashicorp vault Authentication Bypass by Spoofing
CVSS: 8.2v3.1HighModified
AliasesCGA-75xv-fj6v-8726CGA-7qv4-f8hr-jgxrCGA-q8r6-4h87-69grCGA-w2w7-fwxm-32jmCGA-w65v-9v7g-8cjpCGA-xgxm-jf9f-792jGHSA-fp52-qw33-mfmwBIT-vault-2020-16250GO-2022-0825
Published 26-08-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-16250 is a high (CVSS 8.2) Authentication Bypass by Spoofing vulnerability in hashicorp vault. EPSS estimates a 1.51% chance of exploitation in the next 30 days, higher than 74.1% of scored vulnerabilities.
CVSS score
8.2/10
010
High · v3.1 (NVD)EPSS score
1.51%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 2Timeline
- 26-08-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
HashiCorp Vault and Vault Enterprise versions 0.7.1 and newer, when configured with the AWS IAM auth method, may be vulnerable to authentication bypass. Fixed in 1.2.5, 1.3.8, 1.4.4, and 1.5.1..
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 8.2Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:NSourcesAll 4 agree
- OSV · WolfiEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
- OSV · GoEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
- OSV · ChainguardEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.51%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.51% on 21-09-2026
21-09-202621-10-2026
EPSS score1.51%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-290Authentication Bypass by SpoofingThis attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
- CWE-345Insufficient Verification of Data AuthenticityThe product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
Affected systems
Chainguard3 products
- k3d< 5.6.0-r11
- k3d-proxy< 5.6.0-r11
- k3d-tools< 5.6.0-r11
Wolfi3 products
- k3d< 5.6.0-r11
- k3d-proxy< 5.6.0-r11
- k3d-tools< 5.6.0-r11
Github.com/hashicorp1 product
- vault≥ 0.8.1, < 1.2.5 | ≥ 1.3.0, < 1.3.8 | ≥ 1.4.0, < 1.4.4 | ≥ 1.5.0, < 1.5.1
Hashicorp1 product
- vault≥ 0.7.1, < 1.2.5 | ≥ 1.3.0, < 1.3.8 | ≥ 1.4.0, < 1.4.4 | ≥ 1.5.0, < 1.5.1
4 vendors · 8 products
References
7 links- github.com/hashicorp/vault/blob/master/CHANGELOG.mdX Refsource MISCAdvisoryWEBRelease NotesVendor Advisory
- packetstormsecurity.com/files/159478/Hashicorp-Vault-AWS-IAM-Integration-Authentication-Bypass.htmlX Refsource MISCAdvisoryWEBThird Party AdvisoryVDB Entry
- github.com/hashicorp/vaultPACKAGE