6.8

CVE-2021-25220: fedoraproject fedora HTTP Request/Response Smuggling

CVSS: 6.8v3.1MediumModified
AliasesALPINE-CVE-2021-25220MGASA-2022-0108SUSE-SU-2022:0908-1
Published 23-03-2022Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-25220 is a medium (CVSS 6.8) HTTP Request/Response Smuggling vulnerability in fedoraproject fedora. EPSS estimates a 3.36% chance of exploitation in the next 30 days, higher than 88.5% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
3.36%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 12 · Related 5
OPENSUSE-SU-2024:12081-1RHSA-2022:7643RHSA-2022:8068RHSA-2023:0402RHSA-2024:2720RHSA-2025:21740

Timeline

  1. 23-03-2022
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.

CVSS metrics

9 scores · 8 sources · 2 versions

EPSS trend

Probability

3.36%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.36% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.36%

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

Redhat37 products
  • bind< 32:9.11.36-5.el8
  • bind-chroot< 32:9.11.36-5.el8
  • bind-debuginfo< 32:9.11.36-5.el8
  • bind-debugsource< 32:9.11.36-5.el8
  • bind-devel< 32:9.11.36-5.el8
Suse36 products
  • bind&distro=HPE Helion OpenStack 8< 9.9.9P1-63.34.1
  • bind&distro=SUSE Enterprise Storage 6< 9.16.6-150000.12.60.1
  • bind&distro=SUSE Enterprise Storage 7< 9.16.6-150000.12.60.1
  • bind&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS< 9.16.6-150000.12.60.1
  • bind&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS< 9.16.6-150000.12.60.1
Netapp8 products
Alpine1 product
  • bind≥ 9.11.0, < 9.16.27-r0
Chainguard1 product
  • bindAll versions (No fix recorded)
Debian1 product
  • bind9< 1:9.18.1-1 | < 1:9.11.5.P4+dfsg-5.1+deb10u7 | < 1:9.16.27-1~deb11u1 | < 1:9.10.3.dfsg.P4-12.3+deb9u11
Fedoraproject1 product
Isc1 product
  • bindOpen Source Branch 9.11 9.11.0 through versions before 9.11.37 | Development Branch 9.17 BIND 9.17 all version | Open Source Branch 9.12-16 9.12.0 through versions before 9.16.27 | Open Source Branch 9.18 9.18.0 | Supported Preview Branch 9.11-S 9.11.0-S through versions before 9.11.37-S | Supported Preview Branch 9.16-S 9.16.0-S through versions before 9.16.27-S | ≥ 9.11.0, < 9.11.37 | ≥ 9.11.4, < 9.11.37 | ≥ 9.12.0, < 9.16.27 | ≥ 9.16.8, < 9.16.27 | ≥ 9.17.0, ≤ 9.18.0
Juniper1 product
  • junos< 19.3 | 19.3 | 19.3:r1-s1 | 19.3:r2 | 19.3:r2-s1 | 19.3:r2-s2 | 19.3:r2-s3 | 19.3:r2-s4 | 19.3:r2-s5 | 19.3:r2-s6 | 19.3:r2-s7 | 19.3:r3 | 19.3:r3-s1 | 19.3:r3-s2 | 19.3:r3-s3 | 19.3:r3-s4 | 19.3:r3-s5 | 19.3:r3-s6 | 19.4 | 19.4:r1 | 19.4:r1-s1 | 19.4:r1-s2 | 19.4:r1-s3 | 19.4:r1-s4 | 19.4:r2 | 19.4:r2-s1 | 19.4:r2-s2 | 19.4:r2-s3 | 19.4:r2-s4 | 19.4:r2-s5 | 19.4:r2-s6 | 19.4:r2-s7 | 19.4:r3 | 19.4:r3-s1 | 19.4:r3-s2 | 19.4:r3-s3 | 19.4:r3-s4 | 19.4:r3-s5 | 19.4:r3-s6 | 19.4:r3-s7 | 19.4:r3-s8 | 20.2 | 20.2:r1 | 20.2:r1-s1 | 20.2:r1-s2 | 20.2:r1-s3 | 20.2:r2 | 20.2:r2-s1 | 20.2:r2-s2 | 20.2:r2-s3 | 20.2:r3 | 20.2:r3-s1 | 20.2:r3-s2 | 20.2:r3-s3 | 20.2:r3-s4 | 20.3 | 20.3:r1 | 20.3:r1-s1 | 20.3:r1-s2 | 20.3:r2 | 20.3:r2-s1 | 20.3:r3 | 20.3:r3-s1 | 20.3:r3-s2 | 20.3:r3-s3 | 20.3:r3-s4 | 20.4 | 20.4:r1 | 20.4:r1-s1 | 20.4:r2 | 20.4:r2-s1 | 20.4:r2-s2 | 20.4:r3 | 20.4:r3-s1 | 20.4:r3-s2 | 20.4:r3-s3 | 20.4:r3-s4 | 21.1 | 21.1:r1 | 21.1:r1-s1 | 21.1:r2 | 21.1:r2-s1 | 21.1:r2-s2 | 21.1:r3 | 21.1:r3-s1 | 21.1:r3-s2 | 21.2 | 21.2:r1 | 21.2:r1-s1 | 21.2:r1-s2 | 21.2:r2 | 21.2:r2-s1 | 21.2:r2-s2 | 21.2:r3 | 21.2:r3-s1 | 21.3 | 21.3:r1 | 21.3:r1-s1 | 21.3:r1-s2 | 21.3:r2 | 21.3:r2-s1 | 21.3:r2-s2 | 21.3:r3 | 21.4 | 21.4:r1 | 21.4:r1-s1 | 21.4:r1-s2 | 21.4:r2 | 22.1:r1 | 22.1:r1-s1 | 22.2:r1
Mageia1 product
  • bind< 9.11.37-1.mga8
Opensuse1 product
  • bind&distro=openSUSE Leap 15.3< 9.16.6-150300.22.16.1 | < 9.16.6-150000.12.60.1
Siemens1 product
Ubuntu1 product
  • bind9< 1:9.11.3+dfsg-1ubuntu1.17 | < 1:9.16.1-0ubuntu2.10 | < 1:9.18.0-2ubuntu3 | < 1:9.9.5.dfsg-3ubuntu0.19+esm6 | < 1:9.10.3.dfsg.P4-8ubuntu1.19+esm2
Wolfi1 product
  • bindAll versions (No fix recorded)

14 vendors · 92 products

References

38 links
Show all 38 references