CVE-2017-17305

Name: CVE-2017-17305
Creator: NVD / NIST
Published: 2018-08-21T13:29:00.263+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.04%

Last modified Jun 17, 2026

CVE-2017-17305 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.04%

59.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-310

Affected Software

Vendor	Product	Versions
Huawei	Usg2205bsr Firmware	v300r001c10spc600
Huawei	Usg2220bsr Firmware	v300r001c00
Huawei	Usg5120bsr Firmware	v300r001c00
Huawei	Usg5150bsr Firmware	v300r001c00

References

Timeline

Published: Aug 21, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-17305?

How severe is CVE-2017-17305?

Severity scoring for CVE-2017-17305 is pending analysis. The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2017-17305?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-17305?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST