CVE-2021-21375

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.08% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 81.1% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-03-10 22:30Z5 YR AGO

Last updated

2024-08-03 18:09Z2 YR AGO

Reserved

2020-12-22

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass
• CWE-754Improper Check for Unusual or Exceptional ConditionsClass

Data version

5.1

Document digest

1ec07f4001e98997da047e9532b36ea2725150a399fa0297bfc5effcc74a0b89

• github.comhttps://github.com/pjsip/pjproject/security/advisories/GHSA-hvq6-f89p-frvpx_refsource_CONFIRM
• github.comhttps://github.com/pjsip/pjproject/commit/97b3d7addbaa720b7ddb0af9bf6f3e443e664365x_refsource_MISC
• lists.debian.org[debian-lts-announce] 20210423 [SECURITY] [DLA 2636-1] pjproject security updatehttps://lists.debian.org/debian-lts-announce/2021/04/msg00023.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20210523 [SECURITY] [DLA 2665-1] ring security updatehttps://lists.debian.org/debian-lts-announce/2021/05/msg00020.htmlmailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-202107-42https://security.gentoo.org/glsa/202107-42vendor-advisoryx_refsource_GENTOO