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Fencer Intel
medium 5.3

CVE-2021-30483 json

Directory Traversal in isomorphic-git

published 5y ago modified 4mo ago also GHSA-fgxq-p49f-qw99 , EUVD-2021-2052

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

isomorphic-git before 1.8.2 allows Directory Traversal via a crafted repository.

Patch / fix

  • npm isomorphic-git 1.8.2
  • isomorphic-git isomorphic-git 1.8.2
  • vdsm rhev hypervisor 4.4 4.50.3.6-1.el8ev
  • vdsm-api rhev hypervisor 4.4 4.50.3.6-1.el8ev
  • vdsm-http rhev hypervisor 4.4 4.50.3.6-1.el8ev
  • apache-sshd rhev manager 4.4 1:2.9.2-0.1.el8ev
  • vdsm-client rhev hypervisor 4.4 4.50.3.6-1.el8ev
  • vdsm-common rhev hypervisor 4.4 4.50.3.6-1.el8ev
  • vdsm-python rhev hypervisor 4.4 4.50.3.6-1.el8ev
  • vdsm-gluster rhev hypervisor 4.4 4.50.3.6-1.el8ev

red hat advisories RHSA-2023:0074

Is CVE-2021-30483 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-30483 updated cvss 5.3

isomorphic-git: Directory traversal via a crafted repository

  • Red Hat Virtualization 4 Hypervisor for RHEL 8 vdsm 4.50.3.6-1.el8ev, vdsm-hook-fcoe 4.50.3.6-1.el8ev, vdsm-hook-vhostmd 4.50.3.6-1.el8ev, vdsm-hook-checkips 4.50.3.6-1.el8ev, vdsm-hook-cpuflags 4.50.3.6-1.el8ev, vdsm-hook-nestedvt 4.50.3.6-1.el8ev, +4 more Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts vdsm 4.50.3.6-1.el8ev, vdsm-api 4.50.3.6-1.el8ev, vdsm-http 4.50.3.6-1.el8ev, vdsm-client 4.50.3.6-1.el8ev, vdsm-common 4.50.3.6-1.el8ev, vdsm-python 4.50.3.6-1.el8ev, +13 more Red Hat RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4 ovirt-engine-ui-extensions 1.3.7-1.el8ev
    fixed: vendor fix RHSA-2023:0074
  • Red Hat RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4 rhvm 4.5.3.5-1.el8ev, ovirt-web-ui 1.9.3-1.el8ev, apache-sshd 2.9.2-0.1.el8ev, ovirt-engine 4.5.3.5-1.el8ev, ovirt-engine-setup 4.5.3.5-1.el8ev, ovirt-engine-tools 4.5.3.5-1.el8ev, +18 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.18% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/isomorphic-git/isomorphic-git/pull/1339 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
npm isomorphic-git
<1.8.2
1.8.2

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.