How severe is CVE-2016-1000032?

CVE-2016-1000032 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 high, and availability none.

Is CVE-2016-1000032 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1000032?

CVE-2016-1000032 affects Python Tgcaptcha2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-1000032?

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-2016-1000032 published?

CVE-2016-1000032 was published on 2016-10-25 and last updated on 2026-06-17.

CVE-2016-1000032

CVE-2016-1000032 is a high-severity vulnerability in Python Tgcaptcha2 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Python Tgcaptcha2
Published: 2016-10-25
Last modified: 2026-06-17

Description

TGCaptcha2 version 0.3.0 is vulnerable to a replay attack due to a missing nonce allowing attackers to use a single solved CAPTCHA multiple times.

Frequently asked questions

What is CVE-2016-1000032?: TGCaptcha2 version 0.3.0 is vulnerable to a replay attack due to a missing nonce allowing attackers to use a single solved CAPTCHA multiple times.
How severe is CVE-2016-1000032?: CVE-2016-1000032 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 high, and availability none.
Is CVE-2016-1000032 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1000032?: CVE-2016-1000032 affects Python Tgcaptcha2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-1000032?: 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-2016-1000032 published?: CVE-2016-1000032 was published on 2016-10-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:python:tgcaptcha2:0.3.0:*:*:*:*:*:*:*

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