CVE-2021-23631 json
Directory Traversal
published 2022-01-21 4 y ago modified 2026-06-17 4 mo ago also GHSA-jv7g-9g6q-cxvw , EUVD-2022-0637
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
This affects all versions of package convert-svg-core; all versions of package convert-svg-to-png; all versions of package convert-svg-to-jpeg. Using a specially crafted SVG file, an attacker could read arbitrary files from the file system and then show the file content as a converted PNG file.
Exploit prediction
1.98% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- snyk.io https://snyk.io/vuln/SNYK-JS-CONVERTSVGCORE-1582785 referenced PoC, tagged "exploit" by a source, unverified
- snyk.io https://snyk.io/vuln/SNYK-JS-CONVERTSVGTOPNG-2348244 referenced PoC, tagged "exploit" by a source, unverified
- snyk.io https://snyk.io/vuln/SNYK-JS-CONVERTSVGTOJPEG-2348245 referenced PoC, tagged "exploit" by a source, unverified
- gist.github.com https://gist.github.com/legndery/a248350bb25b8502a03c2f407cedeb14 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | convert-svg-core | <=0.5.0 |
no fix listed |
| npm | convert-svg-to-png | <=0.5.0 |
no fix listed |
| npm | convert-svg-to-jpeg | <=0.5.0 |
no fix listed |
Affected products
- n/a convert-svg-core
- n/a convert-svg-to-png
- n/a convert-svg-to-jpeg
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
snyk.io
/vuln/SNYK-JS-CONVERTSVGCORE-1582785
web, exploit, third-party-advisory
-
snyk.io
/vuln/SNYK-JS-CONVERTSVGTOPNG-2348244
web, exploit, third-party-advisory
-
snyk.io
/vuln/SNYK-JS-CONVERTSVGTOJPEG-2348245
web, exploit, third-party-advisory
-
gist.github.com
/legndery/a248350bb25b8502a03c2f407cedeb14
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-23631
advisory
-
github.com
/neocotic/convert-svg
package
Sources
- CVE List CVE-2021-23631
- GitHub Advisory GHSA-jv7g-9g6q-cxvw
- NVD CVE-2021-23631
Fencer Vulns 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.