7.5

CVE-2023-28452: coredns.io coredns Authentication Bypass by Spoofing

Modified
AliasesCGA-4x3q-m436-7rg3CGA-9mhx-854j-w645CGA-j5h7-hjfv-hwgc
Published 18-09-2024Last modified 19-03-2025

Vulnerability summary

CVE-2023-28452 is a high (CVSS 7.5) Authentication Bypass by Spoofing vulnerability in coredns.io coredns. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 49.4% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.61%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 3
OPENSUSE-SU-2024:0319-1CGA-63FG-C9WM-Q6CGCGA-R4XM-6697-XWJP

Timeline

  1. 18-09-2024
    PublishedVulnerability first disclosed.
  2. 19-03-2025
    Last modifiedVulnerability information updated.

Description

An issue was discovered in CoreDNS through 1.10.1. There is a vulnerability in DNS resolving software, which triggers a resolver to ignore valid responses, thus causing denial of service for normal resolution. In an exploit, the attacker could just forge a response targeting the source port of a vulnerable resolver without the need to guess the correct TXID.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

0.61%

Chance of exploitation in the next 30 days

Percentile

49%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.61% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard4 products
  • juicefs-1.2< 1.2.4-r1
  • juicefs-1.2-compat< 1.2.4-r1
  • juicefs-1.3< 1.3.0-r2
  • juicefs-1.3-compat< 1.3.0-r2
Wolfi2 products
  • juicefs-1.3< 1.3.0-r2
  • juicefs-1.3-compat< 1.3.0-r2
Coredns.io1 product
Github.com/coredns1 product
  • coredns< 1.11.0

4 vendors · 8 products

References

8 links