Juniper · ScreenOS
CVE-2015-7755
Juniper ScreenOS Improper Authentication Vulnerability
O que é
Juniper ScreenOS 6.2.0r15 through 6.2.0r18, 6.3.0r12 before 6.3.0r12b, 6.3.0r13 before 6.3.0r13b, 6.3.0r14 before 6.3.0r14b, 6.3.0r15 before 6.3.0r15b, 6.3.0r16 before 6.3.0r16b, 6.3.0r17 before 6.3.0r17b, 6.3.0r18 before 6.3.0r18b, 6.3.0r19 before 6.3.0r19b, and 6.3.0r20 before 6.3.0r21 allows remote attackers to obtain administrative access by entering an unspecified password during a (1) SSH or (2) TELNET session.
CISA: Juniper ScreenOS contains an improper authentication vulnerability that could allow unauthorized remote administrative access to the device.
O que fazer
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Prazo para as agências federais dos EUA: 23 de outubro de 2025
- Adicionada à lista da CISA
- 2 de outubro de 2025
- Publicada
- 19 de dezembro de 2015
- Gravidade
- Crítica 9,8 CVSS 3.1
- Chance de ataques nos próximos 30 dias (EPSS)
- 61% entre os 0,8% mais altos de todas as vulnerabilidades conhecidas
- Fraqueza
- CWE-287
- Mais detalhes
- NVD · CVE.org · CISA
Todas as referências (11)
- http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/
- http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/
- http://www.securitytracker.com/id/1034489
- http://www.kb.cert.org/vuls/id/640184
- https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554
- https://github.com/hdm/juniper-cve-2015-7755
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713
- http://twitter.com/cryptoron/statuses/677900647560253442
- https://adamcaudill.com/2015/12/17/much-ado-about-juniper/
- http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unaut…
- http://www.securityfocus.com/bid/79626
Mais falhas exploradas de Juniper
| Adicionado | Vulnerabilidade | Produto | Gravidade | Chance de ataque |
|---|---|---|---|---|
| 13 de mar. de 2025 | Improper Isolation or Compartmentalization | Junos OS | Média 6,7 | 1,7% |
| 13 de nov. de 2023 | EX Series PHP External Variable Modification | Junos OS | Média 5,3 | 90% |
| 13 de nov. de 2023 | EX Series and SRX Series PHP External Variable Modification | Junos OS | Crítica 9,8 | 95% |
| 13 de nov. de 2023 | SRX Series Missing Authentication for Critical Function | Junos OS | Média 5,3 | 93% |
| 13 de nov. de 2023 | EX Series Missing Authentication for Critical Function | Junos OS | Média 5,3 | 83% |
| 13 de nov. de 2023 | SRX Series Missing Authentication for Critical Function | Junos OS | Média 5,3 | 1,1% |
| 25 de mar. de 2022 | Path Traversal | Junos OS | Alto 8,8 | 4,9% |
Fontes: Known Exploited Vulnerabilities (CISA, domínio público), CVE records (cve.org) e EPSS (FIRST). A chance de ataque é a estimativa EPSS de que alguém tente explorar a falha nos próximos 30 dias.