CVE-2020-24359: hashicorp vault-ssh-helper Improper Input Validation
CVSS: 7.5v3.1HighModified
AliasesGHSA-f9fq-vjvh-779pGO-2022-0824
Published 20-08-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-24359 is a high (CVSS 7.5) Improper Input Validation vulnerability in hashicorp vault-ssh-helper. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.3% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.04%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 20-08-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
HashiCorp vault-ssh-helper up to and including version 0.1.6 incorrectly accepted Vault-issued SSH OTPs for the subnet in which a host's network interface was located, rather than the specific IP address assigned to that interface. Fixed in 0.2.0.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NSourcesAll 2 agree
- OSV · GoEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.04%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
0.00 pp
From 1.04% on 20-09-2026
20-09-202620-10-2026
EPSS score1.04%
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/hashicorp1 product
- vault-ssh-helper< 0.2.0
Hashicorp1 product
- vault-ssh-helper< 0.2.0
2 vendors · 2 products
References
5 links- github.com/hashicorp/vault-ssh-helper/blob/master/CHANGELOG.mdX Refsource MISCWEBThird Party Advisory