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CVE-2022-37026· NVD / CVE Program· CNA mitre

In Erlang/OTP before 23.3.4.15, 24.x before 24.3.4.2, and 25.x before 25.0.2, there is a Client Authentication Bypass in certain client-cert

In Erlang/OTP before 23.3.4.15, 24.x before 24.3.4.2, and 25.x before 25.0.2, there is a Client Authentication Bypass in certain client-certification situations for SSL, TLS, and DTLS.

CriticalCVSS 9.8 · v3.1—No exploit Fix available
Published
Sep 21, 2022
Updated
Jun 17, 2026
EPSS
1.5% · 73th percentile
CWE
—
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Report tools

JSON

Action score

39

Monitor

Low priority for now.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.5%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
erlangerlang\/otp

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • erlang erlang/otpbefore 23.3.4.15
  • erlang erlang/otp24.0 and later · before 24.3.4.2
  • erlang erlang/otp25.0 and later · before 25.0.2

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:10erlangbefore 1:22.2.7+dfsg-1+deb10u11:22.2.7+dfsg-1+deb10u1
Debian:12erlangbefore 1:24.3.4.5+dfsg-11:24.3.4.5+dfsg-1
openSUSE:Tumbleweederlangbefore 25.1.1-1.125.1.1-1.1
openSUSE:Tumbleweederlang27before 27.1.3-1.127.1.3-1.1
Red Hat:openstack:16.2::el8erlangbefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-asn1before 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-asn1-debuginfobefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-compilerbefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-cryptobefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-crypto-debuginfobefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-debuginfobefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-debugsourcebefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-eldapbefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-erl_interface-debuginfobefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-ertsbefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-erts-debuginfobefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-hipebefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-inetsbefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-kernelbefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-mnesiabefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-odbc-debuginfobefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-os_monbefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-os_mon-debuginfobefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost
Red Hat:openstack:16.2::el8erlang-parsetoolsbefore 0:23.3.4.18-1.el8ost0:23.3.4.18-1.el8ost

+18

Same product

erlang: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-32433Erlang/OTP SSH Vulnerable to Pre-Authentication RCEKEV
    100Now
  • CVE-2016-10253An issue was discovered in Erlang/OTP 18.x.
    39Monitor
  • CVE-2026-55953TLS 1.2 and DTLS client accepts unoffered anonymous cipher suite, bypassing server authentication
    36Monitor
  • CVE-2026-49759Stack buffer overflow in SCTP error cause parsing in inet_drv allows remote VM crash
    35Monitor
  • CVE-2026-59251Denial of service via exponential certificate policy tree growth in path validation
    34Monitor
  • CVE-2026-58227TLS/DTLS denial of service via unbounded recursion on cross-signed peer certificate chain
    34Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Debian:erlang1:24.3.4.5+dfsg-1 · Debian:12Package registry (OSV)
openSUSE:erlang22.3-150300.3.3.1 · openSUSE:Leap 15.3Package registry (OSV)
openSUSE:erlang2727.1.3-1.1 · openSUSE:TumbleweedPackage registry (OSV)
Red Hat:erlang0:23.3.4.18-1.el8ost · Red Hat:openstack:16.2::el8Package registry (OSV)
Red Hat:erlang-asn10:23.3.4.18-1.el8ost · Red Hat:openstack:16.2::el8Package registry (OSV)
Red Hat:erlang-asn1-debuginfo0:23.3.4.18-1.el8ost · Red Hat:openstack:16.2::el8Package registry (OSV)
Red Hat:erlang-compiler0:23.3.4.18-1.el8ost · Red Hat:openstack:16.2::el8Package registry (OSV)
Red Hat:erlang-crypto0:23.3.4.18-1.el8ost · Red Hat:openstack:16.2::el8Package registry (OSV)
Red Hat:erlang-crypto-debuginfo0:23.3.4.18-1.el8ost · Red Hat:openstack:16.2::el8Package registry (OSV)
Red Hat:erlang-debuginfo0:23.3.4.18-1.el8ost · Red Hat:openstack:16.2::el8Package registry (OSV)
Red Hat:erlang-debugsource0:23.3.4.18-1.el8ost · Red Hat:openstack:16.2::el8Package registry (OSV)
Red Hat:erlang-eldap0:23.3.4.18-1.el8ost · Red Hat:openstack:16.2::el8Package registry (OSV)
Red Hat:erlang-erl_interface-debuginfo0:23.3.4.18-1.el8ost · Red Hat:openstack:16.2::el8Package registry (OSV)
Red Hat:erlang-erts0:23.3.4.18-1.el8ost · Red Hat:openstack:16.2::el8Package registry (OSV)
Red Hat:erlang-erts-debuginfo0:23.3.4.18-1.el8ost · Red Hat:openstack:16.2::el8Package registry (OSV)
SUSE:erlang22.3-150300.3.3.1 · SUSE:Linux Enterprise Module for Server Applications 15 SP3Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

—

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records