CVE-2021-30130

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

1.05% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 64.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-04-06 00:00Z5 YR AGO

Last updated

2024-08-03 22:24Z2 YR AGO

Reserved

2021-04-05

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-347Improper Verification of Cryptographic SignatureBase

Data version

5.1

Document digest

1889a27756b491c69b0cf65f4ab49efa4b3b7e7cb68409231346d65725833c17

• github.comhttps://github.com/phpseclib/phpseclib/pull/1635
• github.comhttps://github.com/phpseclib/phpseclib/releases/tag/3.0.7
• github.comhttps://github.com/phpseclib/phpseclib/releases/tag/2.0.31
• lists.debian.org[debian-lts-announce] 20221117 [SECURITY] [DLA 3197-1] phpseclib security updatehttps://lists.debian.org/debian-lts-announce/2022/11/msg00024.htmlmailing-list
• lists.debian.org[debian-lts-announce] 20221117 [SECURITY] [DLA 3198-1] php-phpseclib security updatehttps://lists.debian.org/debian-lts-announce/2022/11/msg00025.htmlmailing-list