CVE-2020-35479

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

1.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 71.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. 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

2020-12-18 07:42Z5 YR AGO

Last updated

2024-08-04 17:02Z2 YR AGO

Reserved

2020-12-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

df8c0d1a3cfc941dd4c9d6be3438208effd5a36ab90dd8a99c4f389a426e1e56

• phabricator.wikimedia.orghttps://phabricator.wikimedia.org/T268938x_refsource_MISC
• lists.wikimedia.orghttps://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.htmlx_refsource_MISC
• www.debian.orgDSA-4816https://www.debian.org/security/2020/dsa-4816vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20201223 [SECURITY] [DLA 2504-1] mediawiki security updatehttps://lists.debian.org/debian-lts-announce/2020/12/msg00034.htmlmailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2020-0be2d40e13https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/vendor-advisoryx_refsource_FEDORA