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01 Record

CVE-2021-38295

Privilege escalation vulnerability when using HTML attachments

UnratedPUBLISHEDCNA: apache
CNA base scoreUnratedNo CNA CVSS vector

02 Description

Privilege escalation vulnerability when using HTML attachments

03 Exploitation and scoring

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
2.74% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 85.8% of scored records. A rank, not a probability.
NVD base score
7.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/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.

04 Metadata

Published
2021-10-14 19:55Z5 YR AGO
Last updated
2024-08-04 01:37Z2 YR AGO
Reserved
2021-08-09
Assigning CNA
apache
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
  • CWE-345Insufficient Verification of Data AuthenticityClass
Data version
5.1
Document digest
a0a864e808a57ae6f559b973d0c48d341c572a1b1d68b162753917871221af5b

05 Affected products

VendorProductVersionsPlatforms
Apache Software FoundationApache CouchDBApache CouchDB to < 3.1.2—
Apache Software FoundationIBM CloudantIBM Cloudant to < 8201—

06 References

07 Fixed in

Arch Linux

  • couchdb
    Fixed in 3.1.2-1

Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • couchdb
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.