CVE & CISA-KEV Catalog

CVE-2022-27782

HIGHEPSS 84th pctl
7.5
CVSS v3
NVD

Description

libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily.

CWE-840CWE-295Improper Certificate Validation

How to fix

Remediation Available
curlDebian
Fixed in:7.74.0-1.3+deb11u2CVE-2022-27782
Fixed in:7.83.1-1CVE-2022-27782
Fixed in:7.83.1-1CVE-2022-27782
Fixed in:7.83.1-1CVE-2022-27782
curlUbuntu
Fixed in:7.58.0-2ubuntu3.18USN-5412-1
Fixed in:7.68.0-1ubuntu2.11USN-5412-1
Fixed in:7.81.0-1ubuntu1.2USN-5412-1
libcurl3-gnutlsUbuntu
Fixed in:7.58.0-2ubuntu3.18USN-5412-1
Fixed in:7.68.0-1ubuntu2.11USN-5412-1
Fixed in:7.81.0-1ubuntu1.2USN-5412-1
libcurl3-nssUbuntu
Fixed in:7.58.0-2ubuntu3.18USN-5412-1
Fixed in:7.68.0-1ubuntu2.11USN-5412-1
Fixed in:7.81.0-1ubuntu1.2USN-5412-1
libcurl4Ubuntu
Fixed in:7.58.0-2ubuntu3.18USN-5412-1
Fixed in:7.68.0-1ubuntu2.11USN-5412-1
Fixed in:7.81.0-1ubuntu1.2USN-5412-1
UniversalForwarderWindows application
Affected:8.2.0 8.2.12Fixed in:8.2.12Splunk, Inc.
Affected:9.0.0 9.0.6Fixed in:9.0.6Splunk, Inc.

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

2.60%probability of exploitation in 30 days
84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Mailing List1

Related Vulnerabilities

Other CWE-840 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2021-22926High7.59.8%-Fix
CVE-2022-32207Critical9.86.8%-Fix
CVE-2022-32208Medium5.96.8%-Fix
CVE-2021-22922Medium6.54.3%-Fix
CVE-2021-22897Medium5.33.0%-Fix
CVE-2020-8228Medium5.31.9%--
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-27.