CVE-2021-22160Not scoredCWE-347

CVE-2021-22160: Authentication with JWT allows use of “none”-algorithm

Apache Software Foundation · Apache Pulsar

Vendor fix available · Affected: Apache Software Foundation Apache Pulsar · Exploitation: likely to be exploited (10% or more)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

52.9%probability of exploitation in the next 30 days

98th percentile

050100

Higher than 98% of scored CVEs

Not scored yet. The CVE record carries no CVSS score.

DescriptionCVE.org

If Apache Pulsar is configured to authenticate clients using tokens based on JSON Web Tokens (JWT), the signature of the token is not validated if the algorithm of the presented token is set to "none". This allows an attacker to connect to Pulsar instances as any user (incl. admins).

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Apache Software Foundation · Apache Pulsarfrom Apache Pulsar before 2.7.1

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Likely to be exploited (10% or more). EPSS gives it a 10% or higher chance of exploitation in the next 30 days.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Improper Verification of Cryptographic Signature · Cryptography
Vendor: Apache Software Foundation
Published: May 2021
Band: Likely to be exploited (10% or more), May 2021

CoverageNo articles yet

No CyberSIXT article names CVE-2021-22160 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.