CVE-2022-28773

Due to an uncontrolled recursion in SAP Web Dispatcher and SAP Internet Communication Manager, the application may crash, leading to denial of service, but can be restarted automatically.

Published: 2022-04-12 Last update: 2026-02-25 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-28773 is rated Moderate Risk (57.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.14%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-28773

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.87% 1.14% +0.27%
2 2025-11-18 1.14% 0.87% -0.27%
3 2025-04-28 — 1.14% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-28773

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2022-28773

Affected software / configurations for CVE-2022-28773

Vendor Product Version Raw CPE
sap netweaver 7.22ext cpe:2.3:a:sap:netweaver:7.22ext:*:*:*:*:*:*:*
sap netweaver 7.49 cpe:2.3:a:sap:netweaver:7.49:*:*:*:*:*:*:*
sap netweaver 7.53 cpe:2.3:a:sap:netweaver:7.53:*:*:*:*:*:*:*
sap netweaver 7.77 cpe:2.3:a:sap:netweaver:7.77:*:*:*:*:*:*:*
sap netweaver 7.81 cpe:2.3:a:sap:netweaver:7.81:*:*:*:*:*:*:*
sap netweaver 7.85 cpe:2.3:a:sap:netweaver:7.85:*:*:*:*:*:*:*
sap netweaver 7.86 cpe:2.3:a:sap:netweaver:7.86:*:*:*:*:*:*:*
sap netweaver kernel_7.22 cpe:2.3:a:sap:netweaver:kernel_7.22:*:*:*:*:*:*:*
sap netweaver krnl64nuc_7.22 cpe:2.3:a:sap:netweaver:krnl64nuc_7.22:*:*:*:*:*:*:*
sap netweaver krnl64uc_7.22 cpe:2.3:a:sap:netweaver:krnl64uc_7.22:*:*:*:*:*:*:*
sap web_dispatcher 7.53 cpe:2.3:a:sap:web_dispatcher:7.53:*:*:*:*:*:*:*
sap web_dispatcher 7.77 cpe:2.3:a:sap:web_dispatcher:7.77:*:*:*:*:*:*:*
sap web_dispatcher 7.81 cpe:2.3:a:sap:web_dispatcher:7.81:*:*:*:*:*:*:*
sap web_dispatcher 7.85 cpe:2.3:a:sap:web_dispatcher:7.85:*:*:*:*:*:*:*
sap web_dispatcher 7.86 cpe:2.3:a:sap:web_dispatcher:7.86:*:*:*:*:*:*:*

References for CVE-2022-28773

cvelogic Threat Intelligence