CVE-2021-41270

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

1.40% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 72.2% 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:L/UI:N/S:U/C:H/I:N/A:N

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

2021-11-24 19:05Z4 YR AGO

Last updated

2024-08-04 03:08Z2 YR AGO

Reserved

2021-09-15

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-1236Improper Neutralization of Formula Elements in a CSV FileBase

Data version

5.1

Document digest

037337bf61d0adc02b8b6f99e5c44496e4ef4f5cd5b79e5bb13dcd975d190138

• github.comhttps://github.com/symfony/symfony/pull/44243x_refsource_MISC
• github.comhttps://github.com/symfony/symfony/releases/tag/v5.3.12x_refsource_MISC
• github.comhttps://github.com/symfony/symfony/security/advisories/GHSA-2xhg-w2g5-w95xx_refsource_CONFIRM
• github.comhttps://github.com/symfony/symfony/commit/3da6f2d45e7536ccb2a26f52fbaf340917e208a8x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-0294e8ca24https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QSREFD2TJT5LWKM6S4MD3W26NQQ5WJUP/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-10fd47b32dhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BPT4SF6SIXFMZARDWED5T32J7JEH3EP/vendor-advisoryx_refsource_FEDORA