CVE-2020-26263

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

1.50% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 72.6% 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: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

2020-12-21 16:55Z5 YR AGO

Last updated

2024-08-04 15:56Z2 YR AGO

Reserved

2020-10-01

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-326Inadequate Encryption StrengthClass

Data version

5.1

Document digest

6aaeac22a723d62e5cb6d792a76ff1511f10499dc21f2710cf1f4c4dbfc293c7

• github.comhttps://github.com/tlsfuzzer/tlslite-ng/security/advisories/GHSA-wvcv-832q-fjg7x_refsource_CONFIRM
• securitypitfalls.wordpress.comhttps://securitypitfalls.wordpress.com/2018/08/03/constant-time-compare-in-python/x_refsource_MISC
• github.comhttps://github.com/tlsfuzzer/tlslite-ng/pull/438x_refsource_MISC
• github.comhttps://github.com/tlsfuzzer/tlslite-ng/pull/439x_refsource_MISC
• pypi.orghttps://pypi.org/project/tlslite-ng/x_refsource_MISC
• github.comhttps://github.com/tlsfuzzer/tlslite-ng/commit/c28d6d387bba59d8bd5cb3ba15edc42edf54b368x_refsource_MISC