CVE-2021-3200

Name: CVE-2021-3200
Creator: NVD / NIST
Published: 2021-05-18T17:15:07.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 1.31%

Last modified Jun 17, 2026

CVE-2021-3200 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. 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. EPSS estimates a 1.31% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

3.3/10

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

EPSS Probability

1.31%

67.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Opensuse	Libsolv	< 0.7.17
Oracle	Communications Cloud Native Core Policy	1.15.0

References

https://github.com/openSUSE/libsolv/issues/416Exploit, Issue Tracking, Third Party Advisory
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/PoC-testcase_read-2334Exploit, Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
https://github.com/openSUSE/libsolv/issues/416Exploit, Issue Tracking, Third Party Advisory
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/PoC-testcase_read-2334Exploit, Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory

Timeline

Published: May 18, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3200?

How severe is CVE-2021-3200?

CVE-2021-3200 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 1.31% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3200?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3200?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST