CVE-2021-44550 Access Control vulnerability within CoreNLP
Attackers can bypass access controls in the CoreNLP NERServlet classifier, potentially accessing restricted functionality without proper authorization.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-44550?
CVE-2021-44550 is a critical missing authorization vulnerability in n/a, published on 23 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An Incorrect Access Control vulnerability exists in CoreNLP 4.3.2 via the classifier in NERServlet.java (lines 158 and 159).
Weakness: CWE-74
Which versions are affected by CVE-2021-44550?
2 open source packages ship an affected version, including edu.stanford.nlp:stanford-corenlp. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
edu.stanford.nlp:stanford-corenlp Maven | All versions | 4.4.0 |
edu.stanford.nlp:stanford-corenlp Maven | All versions | 4.4.0 |
Products include Stanford Corenlp.
How do I fix CVE-2021-44550?
Upgrade edu.stanford.nlp:stanford-corenlp to 4.4.0 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-44550 being exploited?
There is no known exploitation of CVE-2021-44550 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2021-3878 Improper Restriction of XML External Entity Reference in stanfordnlp/corenlp
- CVE-2021-3869 Improper Restriction of XML External Entity Reference in stanfordnlp/corenlp
- CVE-2022-0198 Improper Restriction of XML External Entity Reference in stanfordnlp/corenlp
- CVE-2022-0239 Improper Restriction of XML External Entity Reference in stanfordnlp/corenlp
Sources
Also known as GHSA-x2p8-rgfm-qw3v.