What’s Vulnerable › Vulnerabilities

CVE-2017-17305

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-08-21 · updated 2026-06-17
• Weakness: CWE-310

Description

Some Huawei Firewall products USG2205BSR V300R001C10SPC600; USG2220BSR V300R001C00; USG5120BSR V300R001C00; USG5150BSR V300R001C00 have a Bleichenbacher Oracle vulnerability in the IPSEC IKEv1 implementations. Remote attackers can decrypt IPSEC tunnel ciphertext data by leveraging a Bleichenbacher RSA padding oracle. Cause a Bleichenbacher oracle attack. Successful exploit this vulnerability can impact IPSec tunnel security.

Affected products

• Huawei Usg2205Bsr Firmware: v300r001c10spc600
• Huawei Usg2220Bsr Firmware: v300r001c00
• Huawei Usg5120Bsr Firmware: v300r001c00
• Huawei Usg5150Bsr Firmware: v300r001c00

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180813-01-Bleichenbacher-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180813-01-Bleichenbacher-en

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