Is CVE-2022-22576 in the CISA KEV catalog?

No. CVE-2022-22576 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-22576?

CVE-2022-22576 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2022-22576?

CVE-2022-22576 has an EPSS score of 1.91% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-22576?

Upgrade curl on debian 11 to 7.74.0-1.3+deb11u2 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2022-22576

HIGHEPSS 77th pctl

8.1

CVSS v3

NVD

Description

An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow reuse OAUTH2-authenticated connections without properly making sure that the connection was authenticated with the same credentials as set for this transfer. This affects SASL-enabled protocols: SMPTP(S), IMAP(S), POP3(S) and LDAP(S) (openldap only).

CWE-287Improper Authentication CWE-306Missing Authentication for Critical Function

How to fix

Remediation Available

curlDebian

Fixed in:7.74.0-1.3+deb11u2CVE-2022-22576

Fixed in:7.83.0-1CVE-2022-22576

curlUbuntu

Fixed in:7.58.0-2ubuntu3.17USN-5397-1

Fixed in:7.68.0-1ubuntu2.10USN-5397-1

Fixed in:7.81.0-1ubuntu1.1USN-5397-1

libcurl3-gnutlsUbuntu

Fixed in:7.58.0-2ubuntu3.17USN-5397-1

Fixed in:7.68.0-1ubuntu2.10USN-5397-1

Fixed in:7.81.0-1ubuntu1.1USN-5397-1

libcurl3-nssUbuntu

Fixed in:7.58.0-2ubuntu3.17USN-5397-1

Fixed in:7.68.0-1ubuntu2.10USN-5397-1

Fixed in:7.81.0-1ubuntu1.1USN-5397-1

libcurl4Ubuntu

Fixed in:7.58.0-2ubuntu3.17USN-5397-1

Fixed in:7.68.0-1ubuntu2.10USN-5397-1

Fixed in:7.81.0-1ubuntu1.1USN-5397-1

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.

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.91%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Exploit1

hackerone.com

Third-Party Advisory4

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

Embed a live status badge for CVE-2022-22576

Markdown

[![CVE-2022-22576](https://tridentstack.com/cve/badge/CVE-2022-22576.svg)](https://tridentstack.com/cve/CVE-2022-22576)

HTML

<a href="https://tridentstack.com/cve/CVE-2022-22576"><img src="https://tridentstack.com/cve/badge/CVE-2022-22576.svg" alt="CVE-2022-22576"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.