CVE-2017-2712: S3300 V100R006C05 have an Ethernet in the First Mile (EFM) flapping vulnerability due to the lack of type-length-value (TLV) consistency check

Medium severity · published Nov 22, 2017

CVE-2017-2712

S3300 V100R006C05 have an Ethernet in the First Mile (EFM) flapping vulnerability due to the lack of type-length-value (TLV) consistency check

5.3

CVSS

1.1%

EPSS

On KEV

Description

S3300 V100R006C05 have an Ethernet in the First Mile (EFM) flapping vulnerability due to the lack of type-length-value (TLV) consistency check. An attacker may craft malformed packets and send them to a device to cause EFM flapping.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

Low

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.1% · higher than 66% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

S3300 Firmware · Huawei

v100r006c05 · source: NVD

Affected product

S3300 Firmware

Huawei

All S3300 Firmware CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2017-2712

CVE.org

https://www.cve.org/CVERecord?id=CVE-2017-2712

Vendor Advisory

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170118-01-vrp-en

Third Party Advisory

http://www.securityfocus.com/bid/95662