Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-22569

An issue in protobuf-java allowed the interleaving of com.google.protobuf.UnknownFieldSet fields in such a way that would be processed out of order. A small malicious payload can occupy the parser for several minutes by creating large numbers of short-lived objects that cause frequent, repeated pauses. We recommend upgrading libraries beyond the vulnerable versions.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 7 products from google, from google, from google and 4 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2022-01-10T14:10:16.747

Last Modified

2026-06-17T03:37:26.723

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-696
Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	google	google-protobuf	< 3.19.2	Yes
Application	google	protobuf-java	< 3.16.1	Yes
Application	google	protobuf-java	< 3.18.2	Yes
Application	google	protobuf-java	< 3.19.2	Yes
Application	google	protobuf-kotlin	< 3.18.2	Yes
Application	google	protobuf-kotlin	< 3.19.2	Yes
Application	oracle	communications_cloud_native_core_console	1.9.0	Yes
Application	oracle	communications_cloud_native_core_network_repository_function	1.15.0	Yes
Application	oracle	communications_cloud_native_core_network_repository_function	1.15.1	Yes
Application	oracle	communications_cloud_native_core_policy	1.15.0	Yes
Application	oracle	spatial_and_graph_mapviewer	19c	Yes
Application	oracle	spatial_and_graph_mapviewer	21c	Yes

References

http://www.openwall.com/lists/oss-security/2022/01/12/4 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2022/01/12/7 Mailing List, Third Party Advisory ([email protected])
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39330 Exploit, Issue Tracking, Mailing List, Vendor Advisory ([email protected])
https://cloud.google.com/support/bulletins#gcp-2022-001 Vendor Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2023/04/msg00019.html ([email protected])
https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2022/01/12/4 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2022/01/12/7 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39330 Exploit, Issue Tracking, Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://cloud.google.com/support/bulletins#gcp-2022-001 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2023/04/msg00019.html (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For google's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.