How severe is CVE-2017-17312?

CVE-2017-17312 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-17312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17312?

CVE-2017-17312 primarily affects Huawei Usg2205bsr Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-17312?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-17312 published?

CVE-2017-17312 was published on 2018-08-21 and last updated on 2026-06-17.

CVE-2017-17312

CVE-2017-17312 is a high-severity vulnerability in Huawei Usg2205bsr Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Huawei Usg2205bsr Firmware
Published: 2018-08-21
Last modified: 2026-06-17

Description

Some Huawei Firewall products USG2205BSR V300R001C10SPC600; USG2220BSR V300R001C00; USG5120BSR V300R001C00; USG5150BSR V300R001C00 have a DoS vulnerability in the IPSEC IKEv1 implementations of Huawei Firewall products. Due to improper handling of the malformed messages, an attacker may sent crafted packets to the affected device to exploit these vulnerabilities. Successful exploit the vulnerability could lead to device deny of service.

Frequently asked questions

What is CVE-2017-17312?: Some Huawei Firewall products USG2205BSR V300R001C10SPC600; USG2220BSR V300R001C00; USG5120BSR V300R001C00; USG5150BSR V300R001C00 have a DoS vulnerability in the IPSEC IKEv1 implementations of Huawei Firewall products. Due to improper handling of the malformed messages, an attacker may sent crafted packets to the affected device to exploit these vulnerabilities. Successful exploit the vulnerability could lead to device deny of service.
How severe is CVE-2017-17312?: CVE-2017-17312 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-17312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17312?: CVE-2017-17312 primarily affects Huawei Usg2205bsr Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-17312?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-17312 published?: CVE-2017-17312 was published on 2018-08-21 and last updated on 2026-06-17.

References

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

Affected products (4)

cpe:2.3:o:huawei:usg2205bsr_firmware:v300r001c10spc600:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg2220bsr_firmware:v300r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg5120bsr_firmware:v300r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg5150bsr_firmware:v300r001c00:*:*:*:*:*:*:*

More vulnerabilities in Huawei Usg2205bsr Firmware

CVE-2017-17311 — High (CVSS 7.5): Some Huawei Firewall products USG2205BSR V300R001C10SPC600; USG2220BSR V300R001C00; USG5120BSR V300R001C00; USG5150BSR…
CVE-2017-17305 — Medium (CVSS 5.9): Some Huawei Firewall products USG2205BSR V300R001C10SPC600; USG2220BSR V300R001C00; USG5120BSR V300R001C00; USG5150BSR…

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