What is the CVSS score of CVE-2021-28302?

CVE-2021-28302 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.4%.

Is there a public PoC exploit available for CVE-2021-28302?

Yes, a public proof-of-concept exploit is available for CVE-2021-28302. Prioritise patching immediately. EPSS: 1.4%.

Pupnp CVE-2021-28302

HIGH

Allocation of Resources Without Limits or Throttling (CWE-770)

2021-03-12 cve@mitre.org

Denial Of Service Pupnp

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Mar 12, 2021 - 15:15 nvd

HIGH 7.5

DescriptionNVD

A stack overflow in pupnp before version 1.14.5 can cause the denial of service through the Parser_parseDocument() function. ixmlNode_free() will release a child node recursively, which will consume stack space and lead to a crash.

AnalysisAI

A stack overflow in pupnp before version 1.14.5 can cause the denial of service through the Parser_parseDocument() function. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Allocation of Resources Without Limits (CWE-770), which allows attackers to exhaust system resources through uncontrolled allocation. A stack overflow in pupnp before version 1.14.5 can cause the denial of service through the Parser_parseDocument() function. ixmlNode_free() will release a child node recursively, which will consume stack space and lead to a crash. Affected products include: Pupnp Project Pupnp. Version information: version 1.14.5.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set resource limits, implement rate limiting, validate input sizes.