CVE-2021-27515
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
url-parse before 1.5.0 mishandles certain uses of backslash such as http:\/ and interprets the URI as a relative path.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.5.1-1 |
| sid | Fixed | 1.5.1-1 |
| forky | Fixed | 1.5.1-1 |
| bullseye | Fixed | 1.5.1-1 |
| bookworm | Fixed | 1.5.1-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | url-parse | >=0.1.0,<1.5.0 | 1.5.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-27515
- https://github.com/github/advisory-database/pull/6763
- https://github.com/unshiftio/url-parse/pull/197
- https://github.com/unshiftio/url-parse/commit/d1e7e8822f26e8a49794b757123b51386325b2b0
- https://advisory.checkmarx.net/advisory/CX-2021-4306
- https://github.com/unshiftio/url-parse
- https://github.com/unshiftio/url-parse/compare/1.4.7...1.5.0
- https://lists.debian.org/debian-lts-announce/2023/02/msg00030.html
- https://security-tracker.debian.org/tracker/CVE-2021-27515
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.