CVE-2023-7279
CVE-2023-7279 is a low-severity vulnerability in Securesystems Connaisseur with a CVSS 3.x base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1333.
Key facts
- Severity: Low (CVSS 3.x base score 2.6)
- CVSS v2: 1.4
- CVSS v4: 2.1
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-59663
- Weakness: CWE-1333
- Affected product: Securesystems Connaisseur
- Published:
- Last modified:
Description
A vulnerability has been found in Secure Systems Engineering Connaisseur up to 3.3.0 and classified as problematic. This vulnerability affects unknown code of the file connaisseur/res/targets_schema.json of the component Delegation Name Handler. The manipulation leads to inefficient regular expression complexity. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 3.3.1 is able to address this issue. The name of the patch is 524b73ff7306707f6d3a4d1e86401479bca91b02. It is recommended to upgrade the affected component.
Frequently asked questions
- What is CVE-2023-7279?
- A vulnerability has been found in Secure Systems Engineering Connaisseur up to 3.3.0 and classified as problematic. This vulnerability affects unknown code of the file connaisseur/res/targets_schema.json of the component Delegation Name Handler. The manipulation leads to inefficient regular expression complexity. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 3.3.1 is able to address this issue. The name of the patch is 524b73ff7306707f6d3a4d1e86401479bca91b02. It is recommended to upgrade the affected component.
- How severe is CVE-2023-7279?
- CVE-2023-7279 has a CVSS 3.x base score of 2.6, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2023-7279 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-7279?
- CVE-2023-7279 affects Securesystems Connaisseur. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-7279?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-7279 have an EU (EUVD) identifier?
- Yes. CVE-2023-7279 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59663.
- When was CVE-2023-7279 published?
- CVE-2023-7279 was published on 2024-09-02 and last updated on 2026-06-17.
References
- https://github.com/sse-secure-systems/connaisseur/commit/524b73ff7306707f6d3a4d1e86401479bca91b02
- https://github.com/sse-secure-systems/connaisseur/pull/1407
- https://github.com/sse-secure-systems/connaisseur/releases/tag/v3.3.1
- https://vuldb.com/?ctiid.276268
- https://vuldb.com/?id.276268
Affected products (1)
- cpe:2.3:a:securesystems:connaisseur:*:*:*:*:*:*:*:*
Other CWE-1333 vulnerabilities
- CVE-2026-35458 — Critical (CVSS 9.8): Gotenberg is an API for converting document formats. In 8.29.1 and earlier, Gotenberg uses dlclark/regexp2 to compile…
- CVE-2023-29486 — Critical (CVSS 9.8): An issue was discovered in Heimdal Thor agent versions 3.4.2 and before 3.7.0 on Windows, allows attackers to bypass…
- CVE-2026-25547 — Critical (CVSS 9.2): @isaacs/brace-expansion is a hybrid CJS/ESM TypeScript fork of brace-expansion. Prior to version 5.0.1,…
- CVE-2023-29487 — Critical (CVSS 9.1): An issue was discovered in Heimdal Thor agent versions 3.4.2 and before on Windows and 2.6.9 and before on macOS,…
- CVE-2026-47138 — High (CVSS 8.7): Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to…
- CVE-2025-6998 — High (CVSS 8.7): ReDoS in strip_whitespaces() function in cps/string_helper.py in Calibre Web and Autocaliweb allows unauthenticated…