CVE-2021-3762
highpriority · track · 41EPSS 0.048 · 92 %ileEUUSEPSS · scored 2026-10-27
A directory traversal vulnerability was found in the ClairCore engine of Clair. An attacker can exploit this by supplying a crafted container image which, when scanned by Clair, allows for arbitrary file write on the filesystem, potentially allowing for remote code execution.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
- n/a quay/claircore≤ Affects v0.4.6 and higher, v0.5.3 and higher | Fixedin claircore v0.4.8, v0.5.5.enisa_euvdEU
advisories (2)
Vendor and ecosystem advisories describing this.
- GHSA-mq47-6wwv-v79wPath traversal in claircore2022-03-04ghsa · osvUS
A directory traversal vulnerability was found in the ClairCore engine of Clair. An attacker can exploit this by supplying a crafted container image which, when scanned by Clair, allows for arbitrary file write on the filesystem, potentially allowing for remote code execution.
- GO-2022-0346Path traversal in github.com/quay/claircore2022-07-15vendor · osvUS
A maliciously crafted RPM file can cause the Scanner.Scan function to write files with arbitrary contents to arbitrary locations on the local filestem.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (21)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2021-3762cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2000795cnnvd
- https://cxsecurity.com/cveshow/CVE-2021-3762/cnnvd
- https://github.com/quay/clair/pull/1379cnnvd
- https://github.com/quay/clair/pull/1380cnnvd
- https://github.com/quay/claircore/commit/691f2023a1720a0579e688b69a2f4bfe1f4b7821cnnvd
- https://github.com/quay/claircore/pull/478cnnvd
- https://vulmon.com/exploitdetails?qidtp=maillist_oss_security&qid=d19fce9ede06e13dfb5630ece7f14f83cnnvd
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