How severe is CVE-2012-6571?

CVE-2012-6571 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2012-6571 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-6571?

CVE-2012-6571 primarily affects Huawei Ar 18-1x. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-6571?

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-2012-6571 published?

CVE-2012-6571 was published on 2013-06-20 and last updated on 2026-06-16.

CVE-2012-6571

CVE-2012-6571 is a high-severity vulnerability in Huawei Ar 18-1x with a CVSS 2.0 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-310.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Huawei Ar 18-1x
Published: 2013-06-20
Last modified: 2026-06-16

Description

The HTTP module in the (1) Branch Intelligent Management System (BIMS) and (2) web management components on Huawei AR routers and S2000, S3000, S3500, S3900, S5100, S5600, and S7800 switches uses predictable Session ID values, which makes it easier for remote attackers to hijack sessions via a brute-force attack.

Frequently asked questions

What is CVE-2012-6571?: The HTTP module in the (1) Branch Intelligent Management System (BIMS) and (2) web management components on Huawei AR routers and S2000, S3000, S3500, S3900, S5100, S5600, and S7800 switches uses predictable Session ID values, which makes it easier for remote attackers to hijack sessions via a brute-force attack.
How severe is CVE-2012-6571?: CVE-2012-6571 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2012-6571 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-6571?: CVE-2012-6571 primarily affects Huawei Ar 18-1x. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-6571?: 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-2012-6571 published?: CVE-2012-6571 was published on 2013-06-20 and last updated on 2026-06-16.

References

http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-u_194371.htm

Affected products (19)

cpe:2.3:h:huawei:ar_18-1x:*:*:*:*:*:*:*:*
cpe:2.3:h:huawei:ar_18-2x:*:*:*:*:*:*:*:*
cpe:2.3:h:huawei:ar_18-3x:*:*:*:*:*:*:*:*
cpe:2.3:h:huawei:ar_19\/29\/49:*:*:*:*:*:*:*:*
cpe:2.3:h:huawei:ar_28\/46:*:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s2000:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s2300:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s2700:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s3000:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s3300:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s3300hi:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s3500:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s3700:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s3900:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s5100:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s5600:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s7800:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s8500:r1631:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s8500:r1632:*:*:*:*:*:*:*

More vulnerabilities in Huawei Ar 18-1x

CVE-2012-6570 — Critical (CVSS 10.0): The HTTP module in the (1) Branch Intelligent Management System (BIMS) and (2) web management components on Huawei AR…
CVE-2012-6569 — Critical (CVSS 9.3): Stack-based buffer overflow in the HTTP module in the (1) Branch Intelligent Management System (BIMS) and (2) web…

All CVEs affecting Huawei Ar 18-1x →

Other CWE-310 (Cryptographic Issues) vulnerabilities

CVE-2014-7878 — Critical (CVSS 10.0): The Application Lifecycle Service (ALS) in HP Helion Cloud Development Platform 1.0, when a virtual machine is derived…
CVE-2013-3712 — Critical (CVSS 10.0): SUSE Studio Onsite 1.3.x before 1.3.6 and SUSE Studio Extension for System z 1.3 uses "static" secret tokens, which has…
CVE-2013-6952 — Critical (CVSS 10.0): The Belkin WeMo Home Automation firmware before 3949 has a hardcoded GPG key, which makes it easier for remote…
CVE-2013-6838 — Critical (CVSS 10.0): An unspecified Enghouse Interactive Professional Services "addon product" in Enghouse Interactive IVR Pro (VIP2000)…
CVE-2013-0137 — Critical (CVSS 10.0): The default configuration of the Digital Alert Systems DASDEC EAS device before 2.0-2 and the Monroe Electronics R189…
CVE-2011-5123 — Critical (CVSS 10.0): The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not check whether X.509 certificates in…

Browse all CWE-310 (Cryptographic Issues) vulnerabilities →