Home/CVE/An Improper Authentication vulnerability in cert-mgmt.php, used by the J-Web component of Juniper Networks Junos OS allo
CVE

CVE-2023-28963

An Improper Authentication vulnerability in cert-mgmt.php, used by the J-Web component of Juniper Networks Junos OS allo

An Improper Authentication vulnerability in cert-mgmt.php, used by the J-Web component of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to read arbitrary files from temporary folders on the device. This issue affects Juniper Networks Junos OS: All versions prior to 19.1R3-S10.

19.2 versions prior to 19.2R3-S7.

19.3 versions prior to 19.3R3-S8.

19.4 versions prior to 19.4R3-S11.

20.1 version 20.1R1 and later versions.

20.2 versions prior to 20.2R3-S7.

20.3 version 20.3R1 and later versions.

20.4 versions prior to 20.4R3-S6.

21.1 versions prior to 21.1R3-S5.

21.2 versions prior to 21.2R3-S4.

21.3 versions prior to 21.3R3-S3.

21.4 versions prior to 21.4R3-S3.

22.1 versions prior to 22.1R3-S1.

22.2 versions prior to 22.2R2-S1, 22.2R3.

22.3 versions prior to 22.3R1-S2, 22.3R2.

MEDIUM · CVSS 5.3 EPSS 0.00195
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
CWE-287Improper Authentication
▤

Affected Products & Versions

2
juniper junos< 19.4
juniper junosall versions
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · sirt@juniper.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Apr 2023 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://supportportal.juniper.net/JSA70587MitigationVendor Advisory
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