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CVE-2023-36844

medium · 5.3Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Added 2023-11-13Remediation due 2023-11-17

A public exploit / detection template exists

Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →

A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series allows an unauthenticated, network-based attacker to control certain, important environment variables. Using a crafted request an attacker is able to modify certain PHP environment variables leading to partial loss of integrity, which may allow chaining to other vulnerabilities. This issue affects Juniper Networks Junos OS on EX Series: * All versions prior to 20.4R3-S9; * 21.1 versions 21.1R1 and later; * 21.2 versions prior to 21.2R3-S7; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3-S5; * 22.1 versions prior to 22.1R3-S4; * 22.2 versions prior to 22.2R3-S2; * 22.3 versions prior to 22.3R3-S1; * 22.4 versions prior to 22.4R2-S2, 22.4R3; * 23.2 versions prior to 23.2R1-S1, 23.2R2.

5.3
CVSS
90.0%
EPSS (exploit prob.)
100th
EPSS percentile
2023-08-17
Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weaknesses

CWE-473

Affected products

VendorProductAffected versions
juniperjunos< 20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos20.4
juniperjunos21.1
juniperjunos21.1
juniperjunos21.1
juniperjunos21.1
juniperjunos21.1
juniperjunos21.1
juniperjunos21.1
juniperjunos21.1
juniperjunos21.1
juniperjunos21.1
juniperjunos21.1
juniperjunos21.2
juniperjunos21.2
juniperjunos21.2
juniperjunos21.2
juniperjunos21.2
juniperjunos21.2
juniperjunos21.2
juniperjunos21.2
juniperjunos21.2
juniperjunos21.2
juniperjunos21.2
juniperjunos21.2
juniperjunos21.2

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2023-36844