What is the CVSS score of CVE-2021-3200?

CVE-2021-3200 has a CVSS 3.1 base score of 3.3 (Low). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L. EPSS exploitation probability: 1.3%.

Is there a public PoC exploit available for CVE-2021-3200?

Yes, a public proof-of-concept exploit is available for CVE-2021-3200. Prioritise patching immediately. EPSS: 1.3%.

Is there a patch available for CVE-2021-3200?

Yes, a patch is available for CVE-2021-3200. Update the affected software to the latest version immediately.

Communications Cloud Native Core Policy CVE-2021-3200

LOW

Classic Buffer Overflow (CWE-120)

2021-05-18 cve@mitre.org

Buffer Overflow Denial Of Service Oracle Communications Cloud Native Core Policy Opensuse Libsolv

3.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

3.3 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

CVE Published

May 18, 2021 - 17:15 nvd

LOW 3.3

DescriptionNVD

Buffer overflow vulnerability in libsolv 2020-12-13 via the Solver * testcase_read(Pool *pool, FILE *fp, const char *testcase, Queue *job, char **resultp, int *resultflagsp function at src/testcase.c: line 2334, which could cause a denial of service

AnalysisAI

Buffer overflow vulnerability in libsolv 2020-12-13 via the Solver * testcase_read(Pool *pool, FILE *fp, const char *testcase, Queue *job, char **resultp, int *resultflagsp function at. Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Buffer overflow vulnerability in libsolv 2020-12-13 via the Solver * testcase_read(Pool *pool, FILE *fp, const char *testcase, Queue *job, char **resultp, int *resultflagsp function at src/testcase.c: line 2334, which could cause a denial of service Affected products include: Opensuse Libsolv, Oracle Communications Cloud Native Core Policy.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.