CVE-2021-29059
HIGHCVSS 7.5/10EPSS 2.81%
Last modified
CVE-2021-29059 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string.. EPSS estimates a 2.81% chance of exploitation in the next 30 days.
Description
A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Is-Svg Project | Is-Svg | >= 2.1.0, < 4.3.0 |
References
- https://github.com/sindresorhus/is-svg/releases/tag/v4.3.0Release Notes, Third Party Advisory
- https://github.com/yetingli/PoCs/blob/main/CVE-2021-29059/IS-SVG.mdExploit, Patch, Third Party Advisory
- https://github.com/yetingli/SaveResults/blob/main/js/is-svg.jsThird Party Advisory
- https://github.com/sindresorhus/is-svg/releases/tag/v4.3.0Release Notes, Third Party Advisory
- https://github.com/yetingli/PoCs/blob/main/CVE-2021-29059/IS-SVG.mdExploit, Patch, Third Party Advisory
- https://github.com/yetingli/SaveResults/blob/main/js/is-svg.jsThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-29059?
A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string.
How severe is CVE-2021-29059?
CVE-2021-29059 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.81% probability of exploitation in the next 30 days.
How do I fix CVE-2021-29059?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-29059?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST