CVE-2021-21783

Name: CVE-2021-21783
Creator: NVD / NIST
Published: 2021-03-25T17:15:13.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.98%

Last modified Jun 17, 2026

CVE-2021-21783 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A code execution vulnerability exists in the WS-Addressing plugin functionality of Genivia gSOAP 2.8.107. A specially crafted SOAP request can lead to remote code execution. EPSS estimates a 4.98% chance of exploitation in the next 30 days.

Description

A code execution vulnerability exists in the WS-Addressing plugin functionality of Genivia gSOAP 2.8.107. A specially crafted SOAP request can lead to remote code execution. An attacker can send an HTTP request to trigger this vulnerability.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

4.98%

91.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Genivia	Gsoap	2.8.107
Oracle	Communications Diameter Signaling Router	>= 8.0.0, <= 8.5.0
Oracle	Communications Eagle Application Processor	>= 16.1.0, <= 16.4.0
Oracle	Communications Eagle Lnp Application Processor	46.7
Oracle	Communications Eagle Lnp Application Processor	46.8
Oracle	Communications Eagle Lnp Application Processor	46.9
Oracle	Communications Lsms	13.1
Oracle	Communications Lsms	13.2
Oracle	Communications Lsms	13.3
Oracle	Communications Lsms	13.4
Oracle	Tekelec Virtual Operating Environment	>= 3.4.0, <= 3.7.1

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1245Exploit, Technical Description, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1245Exploit, Technical Description, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory

Timeline

Published: Mar 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21783?

How severe is CVE-2021-21783?

CVE-2021-21783 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.98% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21783?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21783?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST