CVE-2022-24822Public exploitNetwork attack vector

Server crash via forwarded Trailer header

Published Apr 6, 2022 · Updated Apr 23, 2025

Uncaught exception in Podium @podium/proxy before 4.2.74 allows remote attackers to crash proxy servers via a Trailer request header. The proxy request path retains the untrusted Trailer header when constructing an upstream request, and the resulting uncaught exception terminates the server. Exploitation requires unauthenticated network access to a configured proxy endpoint and interrupts availability without reported data exposure or modification.

CVSS severity7.5
High
EPSS probability1.66%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Uncaught exception in Podium @podium/proxy before 4.2.74 allows remote attackers to crash proxy servers via a Trailer request header. The proxy request path retains the untrusted Trailer header when constructing an upstream request, and the resulting uncaught exception terminates the server. Exploitation requires unauthenticated network access to a configured proxy endpoint and interrupts availability without reported data exposure or modification.

The record

CVE
CVE-2022-24822
Published
Apr 6, 2022
Updated
Apr 23, 2025
Vendor
Podium
Product
@podium/proxy
Classifications
CWE-248, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 6, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 23, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 4.2.74
  2. Affected versionversion=< 4.6.110

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Podium · @podium/proxyversion=< 4.2.74; version=< 4.6.110

Published CVSS scores

5.0NIST NVDAV:N/AC:L/Au:N/C:N/I:N/A:P
7.5GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-248Uncaught Exception
T1499Endpoint Denial of Service

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo