CVE-2021-39240Not scored

CVE-2021-39240: Haproxy vulnerability

Haproxy

Vendor fix available · Affected: Haproxy · Exploitation: possible (1 to 10%)

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

2.2%probability of exploitation in the next 30 days

82nd percentile

050100

Higher than 82% of scored CVEs

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

DescriptionCVE.org

An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It does not ensure that the scheme and path portions of a URI have the expected characters. For example, the authority field (as observed on a target HTTP/2 server) might differ from what the routing rules were intended to achieve.

On the Atlas

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Open the Atlas

Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Vendor: Haproxy
Published: August 2021
Band: Possible (1 to 10%), August 2021

CoverageNo articles yet

No CyberSIXT article names CVE-2021-39240 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.