How severe is CVE-2020-29243?

CVE-2020-29243 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-29243 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29243?

CVE-2020-29243 affects Tag Project Tag. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29243?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-29243 published?

CVE-2020-29243 was published on 2020-12-28 and last updated on 2026-06-17.

CVE-2020-29243

CVE-2020-29243 is a medium-severity vulnerability in Tag Project Tag with a CVSS 3.x base score of 6.5. 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-129.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-129
Affected product: Tag Project Tag
Published: 2020-12-28
Last modified: 2026-06-17

Description

dhowden tag before 2020-11-19 allows "panic: runtime error: index out of range" via readAPICFrame.

Frequently asked questions

What is CVE-2020-29243?: dhowden tag before 2020-11-19 allows "panic: runtime error: index out of range" via readAPICFrame.
How severe is CVE-2020-29243?: CVE-2020-29243 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-29243 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29243?: CVE-2020-29243 affects Tag Project Tag. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29243?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-29243 published?: CVE-2020-29243 was published on 2020-12-28 and last updated on 2026-06-17.

References

https://github.com/dhowden/tag/issues/80

Affected products (1)

cpe:2.3:a:tag_project:tag:*:*:*:*:*:*:*:*

More vulnerabilities in Tag Project Tag

CVE-2020-29245 — Medium (CVSS 6.5): dhowden tag before 2020-11-19 allows "panic: runtime error: slice bounds out of range" via readAtomData.
CVE-2020-29244 — Medium (CVSS 6.5): dhowden tag before 2020-11-19 allows "panic: runtime error: slice bounds out of range" via readTextWithDescrFrame.
CVE-2020-29242 — Medium (CVSS 6.5): dhowden tag before 2020-11-19 allows "panic: runtime error: index out of range" via readPICFrame.

All CVEs affecting Tag Project Tag →

Other CWE-129 (Improper Validation of Array Index) vulnerabilities

CVE-2020-27485 — Critical (CVSS 9.9): Garmin Forerunner 235 before 8.20 is affected by: Array index error. The component is: ConnectIQ TVM. The attack vector…
CVE-2020-27483 — Critical (CVSS 9.9): Garmin Forerunner 235 before 8.20 is affected by: Array index error. The component is: ConnectIQ TVM. The attack vector…
CVE-2026-21413 — Critical (CVSS 9.8): A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545…
CVE-2025-27034 — Critical (CVSS 9.8): Memory corruption while selecting the PLMN from SOR failed list.
CVE-2025-3357 — Critical (CVSS 9.8): IBM Tivoli Monitoring 6.3.0.7 through 6.3.0.7 Service Pack 19 could allow a remote attacker to execute arbitrary code…
CVE-2024-45569 — Critical (CVSS 9.8): Memory corruption while parsing the ML IE due to invalid frame content.

Browse all CWE-129 (Improper Validation of Array Index) vulnerabilities →