CVE-2021-42771

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

0.77% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 53.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-10-20 20:05Z4 YR AGO

Last updated

2024-08-04 03:38Z2 YR AGO

Reserved

2021-10-20

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.1

Document digest

174a078b4c1b6df42c5f2c4f00fe91390feeb5e523f8ae54ab057a83391b0b1a

• www.tenable.comhttps://www.tenable.com/security/research/tra-2021-14x_refsource_MISC
• github.comhttps://github.com/python-babel/babel/pull/782x_refsource_MISC
• lists.debian.orghttps://lists.debian.org/debian-lts/2021/10/msg00040.htmlx_refsource_MISC
• lists.debian.org[debian-lts-announce] 20211021 [SECURITY] [DLA 2790-1] python-babel security updatehttps://lists.debian.org/debian-lts-announce/2021/10/msg00018.htmlmailing-listx_refsource_MLIST
• www.debian.orgDSA-5018https://www.debian.org/security/2021/dsa-5018vendor-advisoryx_refsource_DEBIAN