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CVE-2021-30483

20
FAUCET Score

CVE-2021-30483 describes a Directory Traversal vulnerability in isomorphic-git versions prior to 1.8.2, allowing an attacker to access arbitrary files via a crafted repository. This medium-severity vulnerability has a CVSS score of 5.3, indicating a network-based attack with low complexity and potential for limited confidentiality impact. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.8.2CPE matchmatch criteria
cpe:2.3:a:isomorphic-git:isomorphic-git:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.18%
Probability of exploitation in next 30 days
EPSS Percentile
80.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0218 is in the 70th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: isomorphic-gitFixed in: 1.8.2
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Fixed in: vdsm-0:4.50.3.6-1.el8ev
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization Engine 4.4Fixed in: ovirt-engine-ui-extensions-0:1.3.7-1.el8ev
View patch

Vendor Advisories (2)

npmGHSA-fgxq-p49f-qw99medium

Directory Traversal in isomorphic-git

Sep 2, 2021
redhatCVE-2021-30483Moderate

isomorphic-git: Directory traversal via a crafted repository

Jul 30, 2021

References

github.com / isomorphic-git/isomorphic-git/pull/1339
ExploitPatchThird Party Advisory
github.com / isomorphic-git/isomorphic-git/releases/tag/v1.8.2
Release NotesThird Party Advisory
vuln.ryotak.me / advisories/28
Third Party Advisory