CVE-2020-13574Network attack vector

Service crash via missing KeyIdentifier ValueType

Published Feb 10, 2021 · Updated Aug 4, 2024

NULL pointer dereference in Genivia gSOAP 2.8.107 allows remote attackers to crash WS-Security services via a crafted SOAP request. In soap_wsse_verify_EncryptedKey, wsseapi.c passes a null keytype from a KeyIdentifier lacking ValueType to strcmp without validation. Exposure requires an HTTP-reachable service using the WS-Security plugin; exploitation terminates its process without reported data disclosure or modification.

CVSS severity7.5
High
EPSS probability3.05%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

NULL pointer dereference in Genivia gSOAP 2.8.107 allows remote attackers to crash WS-Security services via a crafted SOAP request. In soap_wsse_verify_EncryptedKey, wsseapi.c passes a null keytype from a KeyIdentifier lacking ValueType to strcmp without validation. Exposure requires an HTTP-reachable service using the WS-Security plugin; exploitation terminates its process without reported data disclosure or modification.

The record

CVE
CVE-2020-13574
Published
Feb 10, 2021
Updated
Aug 4, 2024
Vendor
Genivia
Product
gSOAP
Classifications
CWE-476, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 10, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=Genivia gSOAP 2.8.107

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Genivia · gSOAPversion=Genivia gSOAP 2.8.107

Published CVSS scores

7.5Cisco TalosCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5NIST NVDCVSS: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.

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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 exploitUnconfirmed

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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