CVE-2021-27515
url-parse before 1.5.0 mishandles certain uses of backslash such as http:\/ and interprets the URI as a relative path.
02 Description
url-parse before 1.5.0 mishandles certain uses of backslash such as http:\/ and interprets the URI as a relative path.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.96% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 80.1% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-02-21 00:00Z5 YR AGO
- Last updated
- 2024-08-03 21:26Z2 YR AGO
- Reserved
- 2021-02-21
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-1286Improper Validation of Syntactic Correctness of InputBase
- Data version
- 5.1
- Document digest
- 5729013ab8942d603a86a7038176772930d06964ab0b38227f0593866b7072b6
05 Affected products
06 References
- github.comhttps://github.com/unshiftio/url-parse/commit/d1e7e8822f26e8a49794b757123b51386325b2b0
- github.comhttps://github.com/unshiftio/url-parse/pull/197
- github.comhttps://github.com/unshiftio/url-parse/compare/1.4.7...1.5.0
- advisory.checkmarx.nethttps://advisory.checkmarx.net/advisory/CX-2021-4306
- lists.debian.org[debian-lts-announce] 20230223 [SECURITY] [DLA 3336-1] node-url-parse security updatehttps://lists.debian.org/debian-lts-announce/2023/02/msg00030.html
07 Fixed in
Debian 12
- node-url-parse Fixed in 1.5.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- node-url-parse Fixed in 1.5.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- node-url-parse Fixed in 1.5.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- node-url-parse Fixed in 1.2.0-1ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- node-url-parse Fixed in 1.4.7-3ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- node-url-parse Fixed in 1.0.5-2ubuntu0.1~esm2Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.