CVE-2021-47621 ClassGraph XML External Entity Reference
ClassGraph library is vulnerable to XML External Entity attacks, allowing attackers to read files or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-47621?
CVE-2021-47621 is a high-severity vulnerability in n/a, published on 21 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ClassGraph before 4.8.112 was not resistant to XML eXternal Entity (XXE) attacks.
Weakness: CWE-611
Which versions are affected by CVE-2021-47621?
2 open source packages ship an affected version, including io.github.classgraph:classgraph.
| Package | Affected | Fixed in |
|---|---|---|
io.github.classgraph:classgraph Maven | All versions | 4.8.112 |
io.github.classgraph:classgraph Maven | All versions | 4.8.112 |
How do I fix CVE-2021-47621?
Upgrade io.github.classgraph:classgraph to 4.8.112 or later.
Is CVE-2021-47621 being exploited?
There is no known exploitation of CVE-2021-47621 in the wild and no public exploit code.
Sources
Also known as ECHO-d016-3169-4d32, GHSA-v2xm-76pq-phcf, RHLW-2026-27d595c7dc400686, RHLW-2026-9bd677f780e42d38, ROOT-APP-MAVEN-CVE-2021-47621.