How severe is CVE-2020-21683?

CVE-2020-21683 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-21683 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-21683?

CVE-2020-21683 affects Fig2dev Project Fig2dev. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-21683?

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

When was CVE-2020-21683 published?

CVE-2020-21683 was published on 2021-08-10 and last updated on 2026-06-17.

CVE-2020-21683

CVE-2020-21683 is a medium-severity vulnerability in Fig2dev Project Fig2dev with a CVSS 3.x base score of 5.5. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Fig2dev Project Fig2dev
Published: 2021-08-10
Last modified: 2026-06-17

Description

A global buffer overflow in the shade_or_tint_name_after_declare_color in genpstricks.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into pstricks format.

Frequently asked questions

What is CVE-2020-21683?: A global buffer overflow in the shade_or_tint_name_after_declare_color in genpstricks.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into pstricks format.
How severe is CVE-2020-21683?: CVE-2020-21683 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-21683 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21683?: CVE-2020-21683 affects Fig2dev Project Fig2dev. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21683?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-21683 published?: CVE-2020-21683 was published on 2021-08-10 and last updated on 2026-06-17.

References

https://sourceforge.net/p/mcj/tickets/77/

Affected products (1)

cpe:2.3:a:fig2dev_project:fig2dev:3.2.7b:*:*:*:*:*:*:*

More vulnerabilities in Fig2dev Project Fig2dev

CVE-2025-46397 — High (CVSS 7.8): A flaw was found in xfig. This vulnerability allows possible code execution via local input manipulation via…
CVE-2018-16140 — High (CVSS 7.8): A buffer underwrite vulnerability in get_line() (read.c) in fig2dev 3.2.7a allows an attacker to write prior to the…
CVE-2021-3561 — High (CVSS 7.1): An Out of Bounds flaw was found fig2dev version 3.2.8a. A flawed bounds check in read_objects() could allow an attacker…
CVE-2025-31164 — Medium (CVSS 6.6): heap-buffer overflow in fig2dev in version 3.2.9a allows an attacker to availability via local input manipulation…
CVE-2025-31163 — Medium (CVSS 6.6): Segmentation fault in fig2dev in version 3.2.9a allows an attacker to availability via local input manipulation…
CVE-2025-31162 — Medium (CVSS 6.6): Floating point exception in fig2dev in version 3.2.9a allows an attacker to availability via local input manipulation…

All CVEs affecting Fig2dev Project Fig2dev →

Other CWE-120 (Classic Buffer Overflow) vulnerabilities

CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…

Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →