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Fencer Vulns
high 7.5

CVE-2023-28882 json

Trustwave ModSecurity 3.0.5 through 3.0.8 before 3.0.9 allows a denial of service (worker crash and unresponsiveness) because some inputs c…

published 2023-04-28 3 y ago modified 2026-06-17 4 mo ago also BIT-modsecurity-2023-28882 , BIT-modsecurity2-2023-28882 , EUVD-2023-32502

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

Trustwave ModSecurity 3.0.5 through 3.0.8 before 3.0.9 allows a denial of service (worker crash and unresponsiveness) because some inputs cause a segfault in the Transaction class for some configurations.

Patch / fix

  • bitnami modsecurity 3.0.9
  • bitnami modsecurity2 3.0.9
  • owasp modsecurity 3.0.9
  • modsecurity Debian 14, Debian 13, Debian 12 3.0.9-1

debian advisories DEBIAN-CVE-2023-28882

  • modsecurity Package Hub 15 SP4, openSUSE Leap 15.4 3.0.10-bp154.2.3.1
  • modsecurity Package Hub 15 SP5, openSUSE Leap 15.5 3.0.10-bp155.3.3.1

opensuse advisories openSUSE-SU-2023:0269-1openSUSE-SU-2023:0257-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-28882 updated cvss 5.3

mod_security: a segfault and a resultant crash of a worker process in some configurations with certain inputs

  • Red Hat Enterprise Linux 7 mod_security, mod_security-mlogc Red Hat Enterprise Linux 8 mod_security, mod_security-mlogc Red Hat Enterprise Linux 9 mod_security, mod_security-mlogc Red Hat JBoss Core Services mod_security
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
bitnami modsecurity
>=3.0.5, <3.0.9
3.0.9
bitnami modsecurity2
>=3.0.5, <3.0.9
3.0.9

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.