CVE-2021-37704

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

6.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 92.8% of scored records. A rank, not a probability.

NVD base score

4.3 (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:L/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

2021-08-12 20:05Z5 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 5.4)

CNA CVSS vector

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

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
• CWE-668Exposure of Resource to Wrong SphereClass

Data version

5.1

Document digest

708f34560efc0d7529832ed988ac47afd9935ce5fac1b60cad706858d4ecd439

• github.comhttps://github.com/PHPSocialNetwork/phpfastcache/security/advisories/GHSA-cvh5-p6r6-g2qcx_refsource_CONFIRM
• github.comhttps://github.com/flextype/flextype/issues/567x_refsource_MISC
• github.comhttps://github.com/PHPSocialNetwork/phpfastcache/pull/813x_refsource_MISC
• github.comhttps://github.com/PHPSocialNetwork/phpfastcache/pull/814x_refsource_MISC
• github.comhttps://github.com/PHPSocialNetwork/phpfastcache/pull/815x_refsource_MISC
• github.comhttps://github.com/PHPSocialNetwork/phpfastcache/commit/41a77d0d8f126dbd6fbedcd9e6a82e86cdaafa51x_refsource_MISC
• github.comhttps://github.com/PHPSocialNetwork/phpfastcache/blob/master/CHANGELOG.md#807x_refsource_MISC
• packagist.orghttps://packagist.org/packages/phpfastcache/phpfastcachex_refsource_MISC