7.5

CVE-2021-29262: apache software foundation apache solr Insufficiently Protected Credentials

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-29262GHSA-jgcr-fg3g-qvw8BIT-solr-2021-29262
Published 13-04-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-29262 is a high (CVSS 7.5) Insufficiently Protected Credentials vulnerability in apache software foundation apache solr. EPSS estimates a 6.72% chance of exploitation in the next 30 days, higher than 93.8% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
6.72%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-04-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

When starting Apache Solr versions prior to 8.8.2, configured with the SaslZkACLProvider or VMParamsAllAndReadonlyDigestZkACLProvider and no existing security.json znode, if the optional read-only user is configured then Solr would not treat that node as a sensitive path and would allow it to be readable. Additionally, with any ZkACLProvider, if the security.json is already present, Solr will not automatically update the ACLs.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

6.72%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

0.00 pp

From 6.72% on 18-09-2026

18-09-202618-10-2026
EPSS score
6.72%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apache1 product
Apache software foundation1 product
Org.apache.solr1 product
  • solr-core< 8.8.2
Ubuntu1 product
  • lucene-solrAll versions (No fix recorded)

4 vendors · 4 products

References

27 links
Show all 27 references