CVE-2022-22576

Exp

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).

Published: 2022-05-26 Last update: 2026-05-27 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2022-22576 is rated High Exploit Risk (67.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.34%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2022-22576

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2022-22576

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-12 0.36% 0.34% -0.02%
2 2026-04-06 0.26% 0.36% +0.10%
3 2026-03-21 0.26%

Full EPSS history (30 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-22576

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 5.2 [email protected]
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 5.2 134c704f-9b21-4f2e-91b3-4a467353bcc0
5.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.0 4.9 [email protected]

Weakness enumeration for CVE-2022-22576

OS Trackers for CVE-2022-22576

vendor priority summary link
alpine CVE-2022-22576: 1 source package rows (curl); 143 state rows across 8 repos (3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 8, open 135. https://security.alpinelinux.org/vuln/CVE-2022-22576
debian not yet assigned CVE-2022-22576 not yet assigned priority: Debian including 1 source packages (curl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2022-22576
gentoo high CVE-2022-22576: 1 GLSA(s) (202212-01), 1 atom(s) (net-misc/curl); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-22576
redhat medium https://access.redhat.com/security/cve/CVE-2022-22576
suse medium CVE-2022-22576 severity moderate: SUSE including 357 source package names (0.23.0.3.2.201:libcurl4-7.66.0-150200.4.30.1, 1.0.1-build4.16.1:libcurl4-7.66.0-150200.4.30.1, …), 491 product×package rows across 115 product lines (Container bci/bci-init, Container bci/dotnet-aspnet, … (115 product lines)): Fixed 359, Known Affected 120, Known Not Affected 12. https://www.suse.com/security/cve/CVE-2022-22576/
ubuntu medium CVE-2022-22576 medium priority: Ubuntu including 1 source packages (curl), 7 status rows across 7 suites (bionic, focal, impish, jammy, trusty, upstream, xenial): released 5, ignored 2. https://ubuntu.com/security/CVE-2022-22576

Affected software / configurations for CVE-2022-22576

Vendor Product Version Raw CPE
haxx curl >= 7.33.0, < 7.83.0 cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
debian debian_linux 11.0 cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
netapp clustered_data_ontap cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
netapp solidfire_\&_hci_management_node cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
netapp solidfire_\&_hci_storage_node cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:-:*:*:*:*:*:*:*
brocade fabric_operating_system cpe:2.3:o:brocade:fabric_operating_system:-:*:*:*:*:*:*:*
netapp bootstrap_os cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:*
netapp h300s_firmware cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
netapp h500s_firmware cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
netapp h700s_firmware cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
netapp h410s_firmware cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
splunk universal_forwarder >= 8.2.0, < 8.2.12 cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*
splunk universal_forwarder >= 9.0.0, < 9.0.6 cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*
splunk universal_forwarder 9.1.0 cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*

References for CVE-2022-22576

cvelogic Threat Intelligence