How severe is CVE-2020-7882?

CVE-2020-7882 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 high, integrity none, and availability none.

Is CVE-2020-7882 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7882?

CVE-2020-7882 primarily affects Hancom Anysign4pc. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-7882?

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-2020-7882 published?

CVE-2020-7882 was published on 2021-11-22 and last updated on 2026-06-17.

CVE-2020-7882

CVE-2020-7882 is a high-severity vulnerability in Hancom Anysign4pc 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.4
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Hancom Anysign4pc
Published: 2021-11-22
Last modified: 2026-06-17

Description

Using the parameter of getPFXFolderList function, attackers can see the information of authorization certification and delete the files. It occurs because the parameter contains path traversal characters(ie. '../../../')

Frequently asked questions

What is CVE-2020-7882?: Using the parameter of getPFXFolderList function, attackers can see the information of authorization certification and delete the files. It occurs because the parameter contains path traversal characters(ie. '../../../')
How severe is CVE-2020-7882?: CVE-2020-7882 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 high, integrity none, and availability none.
Is CVE-2020-7882 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7882?: CVE-2020-7882 primarily affects Hancom Anysign4pc. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-7882?: 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-2020-7882 published?: CVE-2020-7882 was published on 2021-11-22 and last updated on 2026-06-17.

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36344

Affected products (3)

cpe:2.3:a:hancom:anysign4pc:1.1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:hancom:anysign4pc:1.1.2.6:*:*:*:*:*:*:*
cpe:2.3:a:hancom:anysign4pc:1.1.2.7:*:*:*:*:*:*:*

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