CVE-2021-37615

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.98% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 62.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/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

Low. Red Hat's rating for its own products, not a CVSS rating.

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

2021-08-09 00:00Z5 YR AGO

Last updated

2024-08-04 01:23Z2 YR AGO

Reserved

2021-07-29

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 4.7)

CNA CVSS vector

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

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

8832a09ffa1e98581ee0e9fe6a3ba55be39c23a6c92f860008c2aa267e820237

• github.comhttps://github.com/Exiv2/exiv2/pull/1758
• github.comhttps://github.com/Exiv2/exiv2/security/advisories/GHSA-h9x9-4f77-336w
• lists.fedoraproject.orgFEDORA-2021-399f869889https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/vendor-advisory
• lists.fedoraproject.orgFEDORA-2021-cbaef8e2d5https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/vendor-advisory
• security.gentoo.orgGLSA-202312-06https://security.gentoo.org/glsa/202312-06vendor-advisory