How severe is CVE-2020-15255?

CVE-2020-15255 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2020-15255 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15255?

CVE-2020-15255 affects Anuko Time Tracker. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15255?

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-2020-15255 published?

CVE-2020-15255 was published on 2020-10-16 and last updated on 2026-06-17.

CVE-2020-15255

CVE-2020-15255 is a high-severity vulnerability in Anuko Time Tracker with a CVSS 3.x base score of 8.7. 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-1236.

Key facts

Severity: High (CVSS 3.x base score 8.7)
CVSS v2: 6.0
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1236
Affected product: Anuko Time Tracker
Published: 2020-10-16
Last modified: 2026-06-17

Description

In Anuko Time Tracker before verion 1.19.23.5325, due to not properly filtered user input a CSV export of a report could contain cells that are treated as formulas by spreadsheet software (for example, when a cell value starts with an equal sign). This is fixed in version 1.19.23.5325.

Frequently asked questions

What is CVE-2020-15255?: In Anuko Time Tracker before verion 1.19.23.5325, due to not properly filtered user input a CSV export of a report could contain cells that are treated as formulas by spreadsheet software (for example, when a cell value starts with an equal sign). This is fixed in version 1.19.23.5325.
How severe is CVE-2020-15255?: CVE-2020-15255 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2020-15255 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15255?: CVE-2020-15255 affects Anuko Time Tracker. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15255?: 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-2020-15255 published?: CVE-2020-15255 was published on 2020-10-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:anuko:time_tracker:*:*:*:*:*:*:*:*

More vulnerabilities in Anuko Time Tracker

CVE-2020-27422 — Critical (CVSS 9.8): In Anuko Time Tracker v1.19.23.5311, the password reset link emailed to the user doesn't expire once used, allowing an…
CVE-2023-32306 — High (CVSS 8.8): Time Tracker is an open source time tracking system. A time-based blind injection vulnerability existed in Time Tracker…
CVE-2023-32308 — High (CVSS 8.2): anuko timetracker is an open source time tracking system. Boolean-based blind SQL injection vulnerability existed in…
CVE-2021-43851 — High (CVSS 8.1): Anuko Time Tracker is an open source, web-based time tracking application written in PHP. SQL injection vulnerability…
CVE-2021-41139 — High (CVSS 8.1): Anuko Time Tracker is an open source, web-based time tracking application written in PHP. When a logged on user selects…
CVE-2020-27423 — High (CVSS 7.5): Anuko Time Tracker v1.19.23.5311 lacks rate limit on the password reset module which allows attacker to perform Denial…

All CVEs affecting Anuko Time Tracker →

Other CWE-1236 (Improper Neutralization of Formula Elements in a CSV File) vulnerabilities

CVE-2026-31049 — Critical (CVSS 9.8): An issue in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to execute arbitrary code and escalate…
CVE-2020-36962 — Critical (CVSS 9.8): Tendenci 12.3.1 contains a CSV formula injection vulnerability in the contact form message field that allows attackers…
CVE-2021-47901 — Critical (CVSS 9.8): Dirsearch 0.4.1 contains a CSV injection vulnerability when using the --csv-report flag that allows attackers to inject…
CVE-2020-36941 — Critical (CVSS 9.8): Knockpy 4.1.1 contains a CSV injection vulnerability that allows attackers to inject malicious formulas into CSV…
CVE-2025-56267 — Critical (CVSS 9.8): A CSV injection vulnerability in the /id_profiles endpoint of Avigilon ACM v7.10.0.20 allows attackers to execute…
CVE-2023-47295 — Critical (CVSS 9.8): A CSV injection vulnerability in NCR Terminal Handler v1.5.1 allows attackers to execute arbitrary commands via…

Browse all CWE-1236 (Improper Neutralization of Formula Elements in a CSV File) vulnerabilities →