CVE-2019-5484 json
Symlink Arbitrary File Overwrite in bower
published 2019-09-13 7 y ago modified 2026-06-17 4 mo ago also GHSA-p6mr-pxg4-68hx , EUVD-2019-0674
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.6%
- EPSS 2.6% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
Bower before 1.8.8 has a path traversal vulnerability permitting file write in arbitrary locations via install command, which allows attackers to write arbitrary files when a malicious package is extracted.
Patch / fix
- npm bower 1.8.8
- bower bower 1.8.8
- github.com/bower/bower@45c6bfa commit
- hackerone.com/reports/473811 advisory
Exploit prediction
2.57% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- hackerone.com https://hackerone.com/reports/473811 referenced PoC, tagged "exploit" by a source, unverified
- snyk.io https://snyk.io/blog/severe-security-vulnerability-in-bowers-zip-archive-extraction referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | bower | <1.8.8 |
1.8.8 |
Affected products
- n/a bower
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/bower/bower/commit/45c6bfa86f6e57731b153baca9e0b41a1cc699e3
web, patch
-
hackerone.com
/reports/473811
web, exploit, patch, third-party-advisory
-
snyk.io
/blog/severe-security-vulnerability-in-bowers-zip-archive-extraction
web, exploit, third-party-advisory
-
lists.apache.org
/thread.html/r8ba4c628fba7181af58817d452119481adce4ba92e889c643e4c7dd3%40%3Ccommits.netbeans.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/rb5ac16fad337d1f3bb7079549f97d8166d0ef3082629417c39f12d63%40%3Cnotifications.netbeans.apache.org%
mailing-list
-
nvd.nist.gov
/vuln/detail/CVE-2019-5484
advisory
-
github.com
/nodejs/security-wg/blob/master/vuln/npm/487.json
web
-
lists.apache.org
/thread.html/r8ba4c628fba7181af58817d452119481adce4ba92e889c643e4c7dd3@%3Ccommits.netbeans.apache.org%3E
web
-
lists.apache.org
/thread.html/rb5ac16fad337d1f3bb7079549f97d8166d0ef3082629417c39f12d63@%3Cnotifications.netbeans.apache.org%3E
web
-
npmjs.com
/advisories/776
web
Sources
- CVE List CVE-2019-5484
- GitHub Advisory GHSA-p6mr-pxg4-68hx
- NVD CVE-2019-5484
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.