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CVE-2021-21783

A code execution vulnerability exists in the WS-Addressing plugin functionality of Genivia gSOAP...

9.8 CriticalFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

5.25%Up 4.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 9.8

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.

Record
CVE-2021-21783
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-680
Updated
2026-11-02
EUVDEUVD-2021-8955 9.8

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.

Record
EUVD-2021-8955
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-pf2j-vqc7-8qr7 9.8

A code execution vulnerability exists in the WS-Addressing plugin functionality of Genivia gSOAP...

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.

Record
GHSA-pf2j-vqc7-8qr7
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-190
Updated
2026-11-02
NVD 9.8

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.

Record
CVE-2021-21783
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-680, CWE-190
Updated
2026-11-02
OSVALPINE-CVE-2021-21783 9.8

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.

Record
ALPINE-CVE-2021-21783
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
OSV 9.8

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.

Record
CVE-2021-21783
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2021-21783 9.8

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.

Record
DEBIAN-CVE-2021-21783
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2021-21783 9.8

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.

Record
UBUNTU-CVE-2021-21783
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
gsoap
Alpine:v3.13
 before 2.8.113-r0
2.8.113-r0
gsoap
Alpine:v3.14
 before 2.8.113-r0
2.8.113-r0
gsoap
Alpine:v3.15
 before 2.8.113-r0
2.8.113-r0
gsoap
Alpine:v3.16
 before 2.8.113-r0
2.8.113-r0
gsoap
Alpine:v3.17
 before 2.8.113-r0
2.8.113-r0
gsoap
Alpine:v3.18
 before 2.8.113-r0
2.8.113-r0
gsoap
Alpine:v3.19
 before 2.8.113-r0
2.8.113-r0
gsoap
Alpine:v3.20
 before 2.8.113-r0
2.8.113-r0
gsoap
Alpine:v3.21
 before 2.8.113-r0
2.8.113-r0
gsoap
Alpine:v3.22
 before 2.8.113-r0
2.8.113-r0
Show 13 moreShow less
Affected packages
PackageAffectedFixed
gsoap
Alpine:v3.23
 before 2.8.113-r0
2.8.113-r0
gsoap
Alpine:v3.24
 before 2.8.113-r0
2.8.113-r0
gsoap
Debian:12
 All versions, plus listed versions
2.8.124-22.8.132-12.8.132-22.8.132-2.12.8.132-2.1~exp1
Show 6 moreShow less
2.8.132-32.8.135-12.8.135-22.8.139-12.8.142-12.8.142-2
 None known
gsoap
Debian:13
 All versions, plus listed versions
2.8.135-22.8.139-12.8.142-12.8.142-2
 None known
gsoap
Debian:14
 All versions, plus listed versions
2.8.135-22.8.139-12.8.142-12.8.142-2
 None known
gsoap
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.8.22-12.8.22-22.8.28-1
 None known
gsoap
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.8.49-12.8.60-2build1
 None known
gsoap
Ubuntu:20.04:LTS
 All versions, plus listed versions
2.8.75-22.8.91-2
 None known
gsoap
Ubuntu:22.04:LTS
 All versions, plus listed versions
2.8.104-32.8.117-22.8.117-2build1
 None known
gsoap
Ubuntu:24.04:LTS
 All versions, plus listed versions
2.8.124-22.8.132-22.8.132-2.12.8.132-2.1build12.8.132-2.1build2
 None known
gsoap
Ubuntu:25.10
 All versions, plus listed versions
2.8.135-2
 None known
gsoap
Ubuntu:26.10
 All versions, plus listed versions
2.8.139-12.8.142-22.8.142-2build1
 None known
gsoap
Ubuntu:26.04:LTS
 All versions, plus listed versions
2.8.135-22.8.135-2build12.8.139-1
 None known

History

History
RecordedChangedSources
affected, aliases, facts, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-21783 is a critical vulnerability (CVSS 9.8) in Genivia Gsoap, published March 25, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.25%, the 92nd percentile. Fixed in gsoap 2.8.113-r0.

References

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